CCNA Practice Exam
Contents
Question 1 ........................................................................................................................................... 4
Question 2 ........................................................................................................................................... 5
Question 3 ........................................................................................................................................... 5
Question 4 ........................................................................................................................................... 5
Question 5 ........................................................................................................................................... 5
Question 6 ........................................................................................................................................... 5
Question 7 ........................................................................................................................................... 5
Question 8 ........................................................................................................................................... 5
Question 9 ........................................................................................................................................... 5
Question 10 ......................................................................................................................................... 5
Question 11 ......................................................................................................................................... 5
Question 12 ......................................................................................................................................... 5
Question 13 ......................................................................................................................................... 6
Question 14 ......................................................................................................................................... 6
Question 15 ......................................................................................................................................... 6
Question 16 ......................................................................................................................................... 6
Question 17 ......................................................................................................................................... 6
Question 18 ......................................................................................................................................... 6
Question 19 - Lab ............................................................................................................................... 6
Question 20 ......................................................................................................................................... 6
Question 21 ......................................................................................................................................... 6
Question 22 ......................................................................................................................................... 6
Question 23 ......................................................................................................................................... 7
Question 24 ......................................................................................................................................... 7
Question 25 ......................................................................................................................................... 7
Question 26 ......................................................................................................................................... 7
Question 27 ......................................................................................................................................... 7
Question 28 ......................................................................................................................................... 7
Question 29 ......................................................................................................................................... 7
Question 30 ......................................................................................................................................... 7

Question 31 ......................................................................................................................................... 7
Question 32 ......................................................................................................................................... 7
Question 33 ......................................................................................................................................... 8
Question 34 ......................................................................................................................................... 8
Question 35 - Lab ............................................................................................................................... 8
Question 36 ......................................................................................................................................... 8
Question 37 ......................................................................................................................................... 8
Question 38 ......................................................................................................................................... 8
Question 39 ......................................................................................................................................... 8
Question 40 ......................................................................................................................................... 8
Question 41 ......................................................................................................................................... 8
Question 42 ......................................................................................................................................... 8
Question 43 ......................................................................................................................................... 9
Question 44 ......................................................................................................................................... 9
Question 45 ......................................................................................................................................... 9
Question 46 ......................................................................................................................................... 9
Question 47 ......................................................................................................................................... 9
Question 48 ......................................................................................................................................... 9
Question 49 ......................................................................................................................................... 9
Question 50 ......................................................................................................................................... 9
Question 51 ......................................................................................................................................... 9
Question 52 ......................................................................................................................................... 9
Question 53 ....................................................................................................................................... 10
Question 54 ....................................................................................................................................... 10
Question 55 ....................................................................................................................................... 10
Question 56 ....................................................................................................................................... 10
Question 57 ....................................................................................................................................... 10
Question 58 ....................................................................................................................................... 10
Question 59 ....................................................................................................................................... 10
Question 60 ....................................................................................................................................... 10
Question 61 ....................................................................................................................................... 10
Answer 1 ............................................................................................................................................ 10
Answer 2 ............................................................................................................................................ 11

Answer 3 ............................................................................................................................................ 11
Answer 4 ............................................................................................................................................ 11
Answer 5 ............................................................................................................................................ 11
Answer 6 ............................................................................................................................................ 11
Answer 7 ............................................................................................................................................ 11
Answer 8 ............................................................................................................................................ 11
Answer 9 ............................................................................................................................................ 11
Answer 10 .......................................................................................................................................... 11
Answer 11 .......................................................................................................................................... 11
Answer 12 .......................................................................................................................................... 12
Answer 13 .......................................................................................................................................... 12
Answer 14 .......................................................................................................................................... 12
Answer 15 .......................................................................................................................................... 12
Answer 16 .......................................................................................................................................... 12
Answer 17 .......................................................................................................................................... 12
Answer 18 .......................................................................................................................................... 12
Answer 19 - Lab Solutions .............................................................................................................. 12
Answer 20 .......................................................................................................................................... 12
Answer 21 .......................................................................................................................................... 12
Answer 22 .......................................................................................................................................... 13
Answer 23 .......................................................................................................................................... 13
Answer 24 .......................................................................................................................................... 13
Answer 25 .......................................................................................................................................... 13
Answer 26 .......................................................................................................................................... 13
Answer 27 .......................................................................................................................................... 13
Answer 28 .......................................................................................................................................... 13
Answer 29 .......................................................................................................................................... 13
Answer 30 .......................................................................................................................................... 13
Answer 31 .......................................................................................................................................... 13
Answer 32 .......................................................................................................................................... 14
Answer 33 .......................................................................................................................................... 14
Answer 34 .......................................................................................................................................... 14
Answer 35 - Lab Solutions .............................................................................................................. 14

Answer 36 .......................................................................................................................................... 14
Answer 37 .......................................................................................................................................... 14
Answer 38 .......................................................................................................................................... 14
Answer 39 .......................................................................................................................................... 14
Answer 40 .......................................................................................................................................... 14
Answer 41 .......................................................................................................................................... 14
Answer 42 .......................................................................................................................................... 15
Answer 43 .......................................................................................................................................... 15
Answer 44 .......................................................................................................................................... 15
Answer 45 .......................................................................................................................................... 15
Answer 46 .......................................................................................................................................... 1 5
Answer 47 .......................................................................................................................................... 15
Answer 48 .......................................................................................................................................... 15
Answer 49 .......................................................................................................................................... 15
Answer 50 .......................................................................................................................................... 15
Answer 51 .......................................................................................................................................... 15
Answer 52 .......................................................................................................................................... 16
Answer 53 .......................................................................................................................................... 16
Answer 54 .......................................................................................................................................... 16
Answer 55 .......................................................................................................................................... 16
Answer 56 .......................................................................................................................................... 16
Answer 57 .......................................................................................................................................... 16
Answer 58 .......................................................................................................................................... 16
Answer 59 .......................................................................................................................................... 16
Answer 60 .......................................................................................................................................... 16
Answer 61 .......................................................................................................................................... 16

Question 1
PC2 SP Address: 11.10.10.1
Subnet Mask: 255.255.255.0
PC1 PAddiess: 10.10.10.1
Subnet Mask: 255.255.255.0
FaO.'l Fa0/2
■’1
2960-24TT
SW1
PC-PT
PCI
PC-PT
PC2
What would happen if PCI tries to ping PC2 (or vice versa)?
A.) The ping will succeed because both PCs are connected to the same
switch
B.) The ping will succeed because the ARP process will discover both PC's
MAC addresses
C.) The ping will fail because there's no default gateway
D.) The ping will fail because the PC's are in separate networks
Question 2
You try to delete a NAT pool on a router, but the command " no ip nat
pool [pool-name] " is rejected. There is currently no traffic passing
through the network, but addresses have been previously translated. Why
is the command being rejected?
A.) The NAT pool is still in use
B.) There is traffic going through the network, just not from the hosts
C.) You are using static or dynamic NAT
D.) You are using PAT / NAT Overload

E.) The command to delete the NAT pool is incorrect
Question 3
Which of the following Standard ACL configurations are correct?
A.)
SW1(config)# ip access-list standard 99
SW 1 (config-std-nacl)# permit 192.168.1.0 255.255.255.0
SW1(config-std-nacl)# permit any
B.)
SW1(config)# ip access-list standard 99
SW1(config-std-nacl)# permit 192.168.1.0 0.0.0.255
SW1(config-std-nacl)# permit any
C.)
SW1(config)# ip access-list standard 100
SW1(config-std-nacl)# permit 192.168.1.0 255.255.255.0
SW1(config-std-nacl)# permit any
D.)
SW1(config)# ip access-list standard 100
SW1(config-std-nacl)# permit 192.168.1.0 0.0.0.255
SW1(config-std-nacl)# permit any
Question 4

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Which of the following are signs of a duplex mismatch?
Select all correct answers
A.) Runts
B.) Collisions
C.) A shutdown port that was previously up
D.) Misalignments
E.) Bad FCS values
F.) A port in the errdisable state
Question 5
There are 5 routers in a single OSPF area with the network type being
broadcast, 3 of them are stuck in the 2-way state. What's the cause of the
issue?
A.) The router IDs match
B.) There's an area mismatch
C.) There's a MTU mismatch
D.) There's no problem
Question 6
Match each OSI model layers with the correct descriptions (You should
have all 7 layers memorized)
A.) Defines the cable type
B.) Translates data into human-readable format
C.) Provides source to destination connectivity
D.) Defines the application being used
E.) Provides node-to-node connectivity
F.) Provides end-to-end/host-to-host connectivity

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G.) Terminates or maintains connectivity
Question 7
What type of IPv6 address(es) can be identical between nodes? Select all
correct answers
A.) Unicast
B.) Multicast
C.) Broadcast
D.) Anycast
E.) Link-Local
Question 8
Which IEEE Wi-Fi standards must use channels 1, 6, and 11 to avoid
overlapping? Select all correct answers
A.) 802.11
B.) 802.11a
C.) 802.11b
D.) 802.1 In
E.) 802.11g
F.) 802.1 lac
G.) 802.1 lax
Question 9
Short Answer (I know, I'm so mean. But this is important):

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What must you do after completing configurations on
a
device?
Question 10
What are all the RSTP port states? Select all correct answers
A.) Forwarding
B.
)
Discarding
C.
)
Blocking
D.) Learning
E.
)
Listening
Question 11
What interface(s) will a packet destined for 192.168.1.100 be forwarded out
of?
10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
S 10.0.0.0/8 [1/0] via 10.0.0.1, Ethemetl
D 10.1.1.0/24 [90/156160] via 10.1.1.254, Ethemet2
R 10.2.0.0/16 [120/1] via 10.2.0.254, Ethemet4
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.0.0/16 is directly connected, Ethernets
O
1
72.
1
6.
1
.0/24 [
1
1
0/20] via 172.
1
6.
1
.
1
, Ethemet4
1
92.168.
1
.0/24 is variably subnetted, 2 subnets, 2 masks
O 192.168.1.0/24 [110/20] via 192.168.1.1, EthernetO
O 192.168.1.0/24 [110/20] via 10.0.0.1, Ethemetl
192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks
O 192.168.2.0/24 [110/20] via 172.16.0.254, Ethernets
R 192.168.2.128/25 [120/2] via 172.16.1.1, Ethemet4
S* 0.0.0.0/0 [1/0] via 10.0.0.1, Ethemetl

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A.) EthemetO
B.) Ethernet1
C.) Ethemet2
D.) Ethernets
E.) Ethernet4
Question 12
Which WLC interface is used when communicating with wireless clients to
perform web authentication?
A.) Dynamic
B.) Virtual
C.) Management
D.) Redundancy
E.) Service
Question 13
Lightweight AP's are connected to switches as access ports unless they
are operating in [...] mode. Then it must be connected as a trunk
A.) Local
B.) Monitor
C.) FlexConnect
D.) Bridge/Mesh
Question 14

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Which VTP mode won't synchronize its VLAN database with a VTP server
with the highest revision number?
A.) Client
B.) Server
C.) Transparent
D.) Domain
Question 15
You are setting up port security on a switch. In the event of a violation, you
want the port to remain up and generate Syslogs from each violation.
Which port security violation mode will achieve this?
A.) Shutdown
B.) Restrict
C.) Protect
D.) Flush
Question 16
No router ID has been manually configured. Given the table, what will the
router ID be when using a dynamic routing protocol?
R l f s h i p i n t br
I n t e r l a c e
i ga b i t Et he r net 0 / u
i gab i t Et he m e t 0 / 1
G i g a b i t E t h e m e r O / 2
LoopbackO
O Ci IP A d d r e s s OK? Method S t a t u s P r o t o c o l
1 7 2 . 1 6 . 1 . 1 YES manual up up
192 . 1 6 5 . 1 . 1 YES manual adm i ni s t rat 1 ve l y down down
a n a s s i g n e d YES unset a dm i ni s t rat 1 ve 1 y down down
1 . 1 . 1 . 1 YES ma nun ] a d m i n i s t r a t i v e ! y dow n down
A.) 1.1.1.1
B.) 172.16.1.1
C.) 192.168.1.1

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D.) There cannot be a router ID based on the table
Question 17
You configure a router as an NTP server using the default settings, what is
the stratum?
A.) l
B.) 4
C.) 8
D.) 16
E.) 32
Question 18
Which WLC interface is used to map VLANs to SSIDs?
A.)Dynamic
B.) Virtual
C.) Management
D.) Redundancy
E.) Service
Question 19 - Lab
In this lab, you are tasked to configure HSRP, Etherchannel, VTP, 802. IQ,
VLANs, and SVI's.
Open up packet tracer and place 2 multilayer switches and connect SW1
and SW2 to each other's G0/1 & GO/2 ports.

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MAKE SURE TO SAVE YOUR CONFIGURATIONS TO NVRAM WHEN
APPROPRIATE!
The actual CCNA lab questions aren't nearly this long but will test you on
multiple concepts. Try to do as much as you can, but don't sweat if you
can't get everything in time
SW1 Tasks :
• Name SWl's hostname to SW1
• Enable routing
• Create an Etherchannel with SW2 using an open
standard and ports GO/1-2. Name the portchannel as
"pol"
• Change the VTP domain to "example.com"
• Create VLANs 10 and 20
• Configure the portchannel as a trunk, allow all configured
VLANs. Use an open standard.
• VLAN 10
• Assign an IP address as the first usable address of
the 10.10.10.0/24 network
• Enable HSRP version 2

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• Assign a virtual IP address as the last usable IP
address in the 10.10.10.0/24 subnet for group 1
• Raise the priority by 5 from the default value
• Enable Preemption
• VLAN 20
• Assign an IP address of first assignable address of
the 20.20.20.0/24 network
• Enable HSRP version 2
• Assign a virtual IP address as the last usable IP
address in the 20.20.20.0/24 network for group 2
• Lower the priority by 5 from the default value
• Enable Preemption
• Reboot the switch
SW2 Tasks :
• Name SW2's hostname to SW1
• Enable routing
• Create an Etherchannel with SW2 using an open
standard and ports GO/1-2. Name the portchannel as
"pol"
• Change the VTP domain to "example.com"
• Do you need to create VLANs 10 and 20?
• Configure the portchannel as a trunk, allow all configured
VLANs. Use an open standard.
• VLAN 10
• Assign an IP address of the second to last usable
address of the 10.10.10.0/24 network
• Enable HSRP version 2
• Assign a virtual IP address as the last usable IP
address in the 10.10.10.0/24 subnet for group 1
• Lower the priority by 5 from the default value
• Enable Preemption
• VLAN 20
• Assign an IP address of the second to last usable
address of the 20.20.20.0/24

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• Enable HSRP version 2
• Assign a virtual IP address of 20.20.20.20 for group
2
• Raise the priority by 5 from the default value
• Enable Preemption
• Reboot the switch
Confirm Configurations After Rebooting _____:
• Confirm on both switches that the portchannel is in use
• Confirm that the portchannel is a trunk and allows the
correct VLANs
• SW 1 should have group 1 as active, group 2 as passive
• SW2 should have group 1 as passive, group 2 as active
• SW 1 and SW2 should have both VLANs 10 and 20
Question 20
Which interface(es) does R3 use to forward a packet destined to
172.16.1.129?
Gateway of last resort is 198.50.100.1 to network 0.0.0.0
10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 10.0.0.0/8 [90/28416] via 11.0.0.1,GigabitEthernetl/0
[90/28416] via 100.0.0.2, GigabitEthemetO/O
O 10.0.0.0/30 [110/2] via 100.0.0.2,GigabitEthemet0/0
11.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 11.0.0.0/8 is a summary, NullO
C 11.0.0.0/30 is directly connected,GigabitEthemet1/0
100.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 100.0.0.0/8 is a summary, NullO
C 100.0.0.0/30 is directly connected,GigabitEthemet0/0
172.16.0.0/16 is variably subnetted, 4 subnets, 3 masks

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D 172.16.0.0/16 is a summary, NullO
C 172.16.1.0/25 is directly connected, GigabitEthemet3/0
C 172.16.1.128/25 is directly connected, GigabitEthemet4/0
D 172.16.1.128/26 [90/2011] via 100.0.0.2, GigabitEthemetO/O
D 172.16.1.128/26 [90/2101] via 11.0.0.1, GigabitEthemetl/O
D 192.168.1.0/24 [90/3072] via 11.0.0.1, GigabitEthemetl/O
O 198.100.50.0/24 [110/2] via 198.50.100.1, GigabitEthernet2/0
A.)G0/0
B.)GI/0
C.) G2/0
D.) G3/0
E.) G4/0
Question 21
Which IPv6 addresses are routable over the internet? Select 2
A.)2001:19D:AA2F::DB8:l
B.) FD99:2001:ABCD::l
C.) BD::30AC
D.) FE80:A2:987E::A
E.) 3FF0:2::l:002::B
Question 22
Both monitor and rogue detector mode detect rogue APs, what is the
difference between the two LWAP modes? Select 2
A.)Monitor mode offers a SSID, Rouge Detector does not
B.) Monitor mode does not offer a SSID, Rouge Detector does

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C.) Monitor mode uses it's radio, Rouge Detector does not
D.) Monitor mode does not use it's radio, Rouge Detector does
E.) Monitor mode can send deauth frames to rogue APs, Rouge detector
cannot
F.) Monitor mode cannot send deauth frames to rogue APs, Rouge
Detector can
Question 23
You receive the HTTP Response "OK", what was the code?
A.) 100
B.) 101
C.) 200
D.) 201
Question 24
Identify the Designated, Blocking, and Root ports

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A.) Ports facing hosts should be trusted
B.) Ports facing hosts should be untrusted
C.) Ports facing network devices should be trusted
D.) Ports facing network devices should be untrusted
Question 29
In DHCP snooping, what will happen if a port receives an ACK message on
an untrusted port?
A.) The frame will be forwarded
B.) The frame will be dropped
C.) The frame will be checked and forwarded if marked as non-malicious
D.) The frame will be checked and dropped if marked as malicious
Question 30
You turn on a brand new switch without configuring anything yet. The very
first command you enter is crypto key generate rsa , but the
command is rejected, why?
A.) You need a hostname
B.) You need a domain name
C.) You need to enable SSH
D.) A & B
E.) All of the above
Question 31
Which regional internet registry does our good friend Jeremy from Jeremys
IT Lab use for his public IPv6 address? (He's located in Japan)

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A.) ARTN
B.fAFRNIC
C.) APNIC
D.) LACNIC
E.) RIPE NCC
Question 32
When configuring settings like Helper-Address, Port Security, DAI, DHCP
snooping, etc. with a switch that contains SVPs, what interface will they be
configured on?
A.) The hosts VLAN
B.) The hosts physical interfaces
C.) The hosts VLAN and physical interfaces
D.) Either the hosts VLAN or physical interfaces
Question 33
What MAC address does a Switch lookup in its MAC address table to
forward traffic?
A.) Source
B.) Destination
C.) Source & Destination
D.) Neither
Question 34

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Which interface(es) does R3 use to forward a packet destined to
172.160.1.4?
Gateway of last resort is 198.50.100.1 to network 0.0.0.0
10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 10.0.0.0/8 [90/28416] via 11.0.0.1,GigabitEthernetl/0
[90/28416] via 100.0.0.2, GigabitEthemetO/O
O 10.0.0.0/30 [110/2] via 100.0.0.2,GigabitEthemet0/0
11.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 11.0.0.0/8 is a summary, NullO
C 11.0.0.0/30 is directly connected,GigabitEthemet1/0
100.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 100.0.0.0/8 is a summary, NullO
C 100.0.0.0/30 is directly connected,GigabitEthemet0/0
172.16.0.0/16 is variably subnetted, 4 subnets, 3 masks
D 172.16.0.0/16 is a summary, NullO
C 172.16.1.0/25 is directly connected, GigabitEthemet3/0
C 172.16.1.128/25 is directly connected, GigabitEthemet4/0
D 172.16.1.128/26 [90/2011] via 100.0.0.2, GigabitEthemet0/0
D 172.16.1.128/26 [90/2101] via 11.0.0.1, GigabitEthemetl/0
D 192.168.1.0/24 [90/3072] via 11.0.0.1, GigabitEthemetl/0
O*E2 198.100.50.0/24 [110/2] via 198.50.100.1, GigabitEthemet2/0
A.)G0/0
B.)Gl/0
C.) G2/0
D.) G3/0
E.) G4/0
Question 35 - Lab
Tn this lab, you are tasked to configure OSPF.
Open up packet tracer and configure the following topology

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MAKE SURE TO SAVE YOUR CONFIGURATIONS TO
NVRAM WHEN APPROPRIATE!
The actual CCNA lab questions aren't nearly this long. Try to do
as much as you can, but don't sweat if you can't get everything
in time.
R1 Tasks :
• Rename the hostname to R1
• Configure the default gateway for NETWORK-A as the
last assignable address in the 192.168.1.0/24 network
• Configure G0/0 as the first assignable address in the
10.0.0.0/30 network
• Configure a loopback interface (any name of your
choosing) with the the address 1.1.1.1/32
• Activate OSPF on each interface (except the loopback)
• Make the default gateway for NETWORK-A and loopback
a passive interface
• Reboot the router
R2 Tasks :
• Rename the hostname to R2

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• Configure G0/0 as the last assignable address in the
10.0.0.0/30 network
• Configure GO/2 as the first assignable address in the
11.0.0.0/30 network
• Configure a loopback interface (any name of your
choosing) with the the address 12.0.0.1/32
• Enter OSPF router configuration mode and activate every
interface with just 1 command without using 0.0.0.0
• Make the loopback a passive interface
• Reboot the router
R3 Tasks •
• Rename the hostname to R2
• Configure the default gateway for NETWORK-B as the
last assignable address in the 198.50.100.0/24 network
• Configure GO/2 as the last assignable address in the
11.0.0.0/30 network
• Configure a loopback interface (any name of your
choosing) with the the address 3.3.3.3/32
• Manually set the router ID to anything that will not break
the OSPF adjacencies
• Activate OSPF on each interface separately through
OSPF router config mode
• Make every interface passive by default
• Make sure GO/2 isn't passive
• Reboot the router
PC1 & P C 2 :
• Configure the correct default gateways
• Assign their IP addresses as the first usable address
• Test connectivity by pinging each other

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Question 36
A company wants to set up a 10 Gbps connection between two sites that
are 400 meters away. They decided they want to use multimode fiber,
which IEEE standard should they use?
A.) 802.3an
B.) 802.3z
C.) 802.3ab
D.) 802.3ae
Question 37
All the listed protocols use UDP, but one of them uses TCP when the
packet size is over 512 bytes. Which one?
A.) DHCP
B.) DNS
C.) Syslog
D.) TFTP
Question 38
Which layer in SDN architecture would you expect to find QoS
configurations?
A.) Control
B.) Data
C.) Forwarding
D.) Management

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Question 39
Select all protocols that involve broadcasts:
A.) DHCP
B.) DNS
C.) ARP
D.) NDP
E.) FART
F.) ICMP (Only when using "ping" with specific targets)
G.) STP
Question 40
Which of the following will allow OSPF routers to become OSPF neighbors,
but prevent them from moving to the full state?
A.) MTU Mismatch
B.) Area Mismatch
C.) Network Mismatch
D.) Timer Mismatch
E.) Matching Router IDs
Question 41
In HSRP, which router(s) reply to ARP requests using it's virtual IP and
MAC address?
A.) Active
B.) Standby
C.) Active and Standby
D.) Neither

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E.) Matching Router IDs
Question 42
What DNS record type maps domain names to other domain names?
A J A
BJAAAA
C.) CNAME
D.) NS
Question 43
Select all IP addresses that are in accordance with RFC 1918?
A.) 192.168.100.2
B.) 201.0.113.1
C.) 10.255.255.254
D.) 172.32.0.1
E.) 173.31.0.1
F.) 172.31.255.1
G.) 11.255.255.254
H.) 192.16.255.1
I.) 172.16.0.0
J.) 198.168.100.1
Question 44
Which of the following Syslog messages indicates a warning?
A.) Aug 22 14:32:45.123: %SYS-0-SYSTEM_CRASH: System is unusable,
critical hardware failure.

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B. ) Aug 22 14:32:46.456: %ENV-1-SHUTDOWN_ALERT: Temperature
exceeds critical limit, system shutdown imminent.
C.) Aug 22 14:32:47.789: %PM-2-POWERFAIL: Power supply failure
detected.
D.) Aug 22 14:32:48.012: %LINK-3-UPDOWN: Interface GigO/1,
changed state to down.
E. ) Aug 22 14:32:49.345: %CPU-4-HIGHCPU: CPU utilization has
exceeded 90%.
F.) Aug 22 14:32:50.678: %CONFIG-5-STARTUPCONFIG_WRITE:
Configuration saved to startup-config successfully.
G.) Aug 22 14:32:51.901: %LINK-6-UPDOWN: Interface GigO/2,
changed state to up.
H. ) Aug 22 14:32:52.234: %DEBUG-7-INTERFACE: Debugging enabled on
interface GigO/1.
Question 45
You issue the command show version and see K9 as part of the model
number. Which protocol(s) are supported?
A.) SSH
B.) IPSec
C.) TLS/SSL
D.) SNMPv3
Question 46
All VLANs are configured, and the switches are both layer 2 switches. The
link between SW1 and SW2 is a trunk that allows all VLANs
SW1 Native VLAN is VLAN10, SW2's native VLAN is VLAN20. What PC('s)
can PCI successfully ping?

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PC1 is trying to obtain an address via DHCP from the DHCP server. Which
interface should the helper address be configured on?
A.) R1 - G0/0
B.) R1 - GO/1
C.) R2 - G0/0
D.) R2 - GO/1
Question 48
You enable port security on a switch using the default settings, what
happens when an unauthorized MAC address is used attempting to send
traffic through the said port?
A.) The port shuts down and generates a syslog
B.) The port shuts down and doesn't generate a syslog
C.) The port remains active and generates a syslog
D.) The port remains active and doesn't generate a syslog
Question 49
Match the following (R)STP Guard types with their correct definitions.
Some choices will be used more than once, some definitions require up to
two answers (I listed which ones in the definitions)
A.) BPDU Guard
B.) Root Guard
C.) Loop Guard
D.) Portfast
E.) BPDU Filter

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DefinitionsAnswer
If a superior BPDU is received, the port will shutdown
Only stable states are used
If enabled per-port, BPDUs can be ignored
Can place a port in an inconsistent state (select 2)
Can place a port in an errdisable state
Cannot place a port in an inconsistent or errdisable state
(select 2)
Action is taken when BPDUs are received
Action is taken when BPDUs are no longer received
BPDUs are prevented from being sent
Question 50
Which of the following best describes how predictive Al can be applied in
network management?
A.) It can generate creative network topologies without human input
B.) It can forecast potential network issues based on historical data and
current trends
C.) It can automatically repair physical network hardware failures
D.) It can replace all human decision-making in network operations
Question 51

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