CompTIA Network+ N10-008 Certification All-in-One Exam Guide
A hub sends data to all systems connected to it, regardless of the destination. It operates at Layer 1 (Physical Layer) and lacks the intelligence to filter or direct traffic.
Where does a Hub send data?
Only to the Receiving System
Only to the Sending System
To ALL the Systems connected to the Hub
Only to the Server
To ALL the Systems connected to the Hub
Key Terms
Where does a Hub send data?
Only to the Receiving System
Only to the Sending System
To ALL the Systems connected to the Hub
Only to the Server
To ALL the Systems connected to the Hub
What uniquely identifies every NIC?
IP Address
Media Access Control Address
ISO Number
Packet ID Number
Media Access Control Address (MAC Address/Physical Address)
What Windows Utility do you use to find the MAC Address for a System?
ipconfig /all
ipcfg /all
ping
mac
ipconfig /all
A MAC Address is known as a _______ address?
IP
Logical
Physical
OEM
Physical
A NIC sends data in discrete chunks called ________?
Segments
Sections
Frames
Layers
Frames
The MAC Address of which of the following begins a Frame?
Receiving System
Sending System
Network
Router
Receiving System
Explanation:
A. The frame begins with the MAC address of the receiv...
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| Term | Definition |
|---|---|
Where does a Hub send data? Only to the Receiving System | To ALL the Systems connected to the Hub |
What uniquely identifies every NIC? IP Address | Media Access Control Address (MAC Address/Physical Address) |
What Windows Utility do you use to find the MAC Address for a System? ipconfig /all | ipconfig /all |
A MAC Address is known as a _______ address? IP | Physical |
A NIC sends data in discrete chunks called ________? Segments | Frames |
The MAC Address of which of the following begins a Frame? Receiving System | Receiving System Explanation: |
A Frame ends with a special bit called the Frame Check Sequence (FCS). What does the FCS do? Cycles data across the Network | Verifies that the Data arrives correctly |
Which of the following is an Example of a MAC Address? 0-255 | 00-50-56-A3-04-0C |
Which Layer of the OSI Model controls the segmentation and reassembly of Data? Application Layer | Transport Layer |
Which Layer of the OSI Model keeps track of a systems connections to send the right response to the right computer? Application Layer | Session Layer |
Which of the following topologies required termination? Star | Bus Explanation: |
Star-Bus is an Example of _______ topology? Transitional | Hybrid |
Of the topologies listed, which one is the most fault-tolerant? Point-to-Point | Star |
What term is used to describe the interconnectivity of Network components? Segmentation | Topology |
Coaxial cables all have a ______ rating? Resistance | Ohm |
Which of the following is a type of coaxial cable? RJ-45 | RG-6 |
Which Network topology connected nodes with a Ring of Cable? Star | Ring |
Which Network topology is most commonly seen only in Wireless Networks? Star | Mesh |
Which of the following is a Duplex fiber-optic connection? LC | LC Explanation: LC and MT-RJ connectors are always duplex, meaning both the send and receive cables are attached. You can certainly find SC connectors or sleeves to make them duplex too, so don’t get too caught up with which can be which. |
What is the most common category of UTP used in new cabling installations? Cat 3 | Cat 6 |
Ethernet Hubs took an incoming packet and _______ it out to the other connected ports? amplified | repeated |
What is at the begining of the Ethernet Frame? MAC Address | Preamble Explanation: |
What type of bus did 10Base-T use? Bus | Star Bus Explanation: |
What was the max distance that could separate a 10Base-T node from its Hub? 50 m | 100 m |
When used for Ethernet, Unshielded Twisted Pair (UTP) uses what type of connector? RG-58 | RJ-45 |
What was the max number of nodes that could be connected to a 10Base-T Hub? 1024 | 1024 |
Which of the following is NOT True of Crossover Cables? They are a type of Twisted Pair cabling | Both ends of a Crossover Cable are wired according to the TIA/EIA 568B Standard |
Which of the following connectors were used by 10Base-FL Cable? (Select Two) SC | SC ST Explanation: ST = Straight Tip Bayonet Connectors Untwist/Pull ST = Snap & Twisted SC = Subscriber Connector Square Connector SC = Stick & Click |
Which Networking devices can use the Spanning Tree Protocol (STP)? Hubs | Switches |
What device directs packets based on MAC Addresses? Router | Switch |
With 100Base-T, what is the max distance between the Switch and the Node? 1000 m | 100 m |
What type of cable and connector does 100Base-FX use? Multimode Fiber with ST or SC Connectors | Multimode Fiber with ST or SC Connectors |
Which of the following connectors would you typically find with a 40 Gbe Installation? LC | QSFP+ Explanation:
QSFP = Quad Small Form Factor Pluggable
|
What standard does IEEE 802.3ab describe? 1000Base-LX | 1000Base-T |
What is the big physical difference between 1000Base-SX and 100Base-FX? 1000Base-SX commonly uses LC Connectors, where as 100Base-FX frequently use the SC Connector | 1000Base-SX commonly uses LC Connectors, where as 100Base-FX freequently use the SC Connector |
What is the max distance for 1000Base-LX without repeaters? 1 mile | 5000 m (5km) |
What is a big advantage to using Fiber-Optic Cable? Fiber is common glass, therefore it's less expensive. | Fiber is not affected by EMI. |
How many wire pairs does 1000Base-T use? 1 | 4 |
What is the standard connector for the 10 GbE Fiber standard? ST | There is NO Standard |
What is the max cable length of 10GBase-T on Cat 6? 55 m | 55 m Explanation: |
Aside from outright breakage, what's the primary worry with bending a fiber-optic cable too much? Attenuation | Light Leakage |
Which of the following enables you to use Multiple NICs in a computer to achieve a much better network bandwidth? Linking | Port Aggregation |
How many pairs of wires are in a Cat 6-rated Cable? 2 | 4 |
A _ organizes and protects the horizional cabling in telecommunications room? Rack | Patch Panel |
Which of the following would never be seen in an equipment rack? Patch Panel | All of the above may be seen in an equipment rack. |
What are Patch Cables used for? (Select Two) To connect different telecomunications rooms. | To connect the Patch Panel to the Switch | They connect PCs to outlet boxes |
Which of the following network technologies use UTP cabling in a Star Topology? Crosstalk | 1000Base-T |
Your first day on the job, you get a call from the owner complaining that her network connection is down. A quick check of the central Switch verifies that it's in good working order, as is the boss's PC. As luck would have it, your supervisor calls at just that time and tells you not to worry, she'll be buy in a jiffy with her TDR to help root out the problem. What is she talking about? Tune-Domain Resonator, her Network Tone Generator | Time-Domain Reflectometer, her Network Tester |
What two devices together enable you to pick a single cable out of a stack of cables? (Select Two) Tone Aggregator | Tone Generator | Tone Probe |
Rack-mounted equipment has a height measured in what units? Mbps | U |
Which BEST describes the benefits of Managed Switches over Unmanaged Switches? Manged Switches provide more options for configuring Ports | Managed Switches provide more options for configuring Ports |
You want to create VLANs on your New Ubiquiti Switch. When you first log in and go to the VLAN Screen, you notice there is already a VLAN 1. Why is that? Another Network Admin already configured this VLAN | This is the Native VLAN and all Ports are members of this by default. |
You want to use a Web Server that has a Public IP Address and needs full access to the Internet, but you also want your Network to be safe from Public Traffic. What solition can you implement? DMZ | DMZ |
Three Switches have been connected in a way to avoid a bridging loop. What STP features prevents someone from accidentally plugging in another Switch rather than a computer? Port Mirroring | BPDU Guard |
You have two Switches that have a VLAN spread accross them through a Trunk Port. However, more devices are on the VLAN and the Trunk Port is being weighed down by alot of Traffic. What method can you use to alleviate this? Port Mirroring | Port Bonding |
Which of the following is NOT a characteristic of IPv6? It is a 128 bit address. | It is a 64 bit address. |
Which of the following is a VALID IPv6 Address? FE90:0007:0230:0000:0000:FF22:2A4C:0020 | FE90:0007:0230:0000:0000:FF22:2A4C:0020 |
Which of the following is a VALID shortening method for the following IPv6 Address? FE24::C511::EFF | FE24::C511:0000:0000:0000:EFF |
What do Routers use to provide the necessary information for IPv6 clients to get on the Internet? Router Solicitation | Stateless Auto Configuration |
Which WAN technology enables an individual single-mode fiber to carry multiple signals by giving each signal a different wavelength by using different colors of laser light? Dense Wavelength Division Multiplexing (DWDM) | Dense Wavelength Division Multiplexing (DWDM) |
Which WAN technology creates a secure, private network within a city using fiber optic cabling and Ethernet Technology? SONET | Metro Optical |
What is the MAIN difference between Remote Assistance (Remote Help) and Remote Desktop? Remote assistance uses an email invitation system. | Remote assistance uses an email invitation system. |
Which VPN Security protocol is used by Cisco? PPTP | L2TP/IPsec (Layer 2 Tunneling Protocol over IPSec) |
You are creating a VPN Connection from home to your office network. Your VPN client software will create the first endpoint on your home system. What is this endpoint called? Virtual Switch | Virtual NIC |
You need to purchase a Wireless Router that operates on the 2.4 GHz and 5.0 GHz band. Which standard would cover this?
| 802.11n |
What is an advantage of using PoE+ over PoE? It uses 30 watts for more power. | It uses 30 wats for more power. |
You just installed a wireless network in your one-floor office building. You want to make sure everyone in the office can connect to the wireless access point with a good signal so you are going to install it on the ceiling in the middle of the office. Which type of antenna should the access point have? Omni | Omni |
Which wireless security standard is the most secure? TKIP | AES |
A wireless network in a small office has an SSID named ELLIOT. A user, who feels he needs more bandwidth, irresponsibly connects another wireless access point and names it ELLIOT. Other users are accidentally connecting to this access point and not getting the security they need because the WAP wasn’t configured properly. What is this second access point called? Rogue DHCP Server | Evil Twin |