Cyber-Security: TCP/IP Hw questions
This set of flashcards covers essential networking concepts such as secure web communication ports, network troubleshooting commands, core protocols like TCP, and the role of the Internet layer in packet routing.
What port is typically reserved and utilized by the Secure Hypertext Transfer Protocol to create a secure connection to a Web Server?
443
Key Terms
What port is typically reserved and utilized by the Secure Hypertext Transfer Protocol to create a secure connection to a Web Server?
443
Which command verifies the existence of a node on a network?
ping
Which protocol offers guaranteed delivery and is connection-oriented?
TCP
What layer, in the TCP/IP stack, is responsible for routing a packet to a destination address?
Internet
What port, other than port 110, is used to retrieve e-mail?
Port 143
FTP offers more security than TFTP. True or False?
True
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| Term | Definition |
|---|---|
What port is typically reserved and utilized by the Secure Hypertext Transfer Protocol to create a secure connection to a Web Server? | 443 |
Which command verifies the existence of a node on a network? | ping |
Which protocol offers guaranteed delivery and is connection-oriented? | TCP |
What layer, in the TCP/IP stack, is responsible for routing a packet to a destination address? | Internet |
What port, other than port 110, is used to retrieve e-mail? | Port 143 |
FTP offers more security than TFTP. True or False? | True |
What protocol is the most widely used and allows all computers on a network to communicate and function correctly? | TCP/IP |
What 32-bit number tracks packets received by a node and allows the reassembling of large packets that have been broken up into smaller packets? | ISN |
TCP communication can be likened to which of the following? | Phone conversation |
Which of the following are flags of a TCP packet? | URG, ACK |
No matter what medium connects computers on network-copper wires, fiber-optic cables, or a wireless setup; the same protocol must be running on all computers if communication is going to function correctly. | True |
What protocol is used for reporting or informational purposes? | ICMP |
What connection-oriented protocol is utilized by the Transport layer? | TCP |
What TCP flag is responsible for synchronizing the beginning of a session? | SYN flag |
A hex number is written with two characters, each representing a byte. | False |
In the TCP/IP stack, what layer is concerned with physically moving bits across the network’s medium? | Network |
What layer, in the TCP/IP protocol stack, is responsible for encapsulating data into segments? | Transport layer |
What’s the hexadecimal equivalent of the binary number 1111 1111? | FF |
What does the acronym TCP represent? | Transmission Control Protocol |
What is the logical component of a TCP connection that can be assigned to a process that requires network connectivity? | Port |
What port does DNS use? | Port 53 |
A UDP packet is usually smaller than a TCP packet. True or False? | True |
In the TCP/IP stack, what layer is concerned with controlling the flow of data, sequencing packets for reassembly, and encapsulating the segment with a TCP or UDP header? | Transport |
What TCP/IP protocol is used to send messages related to network operations and can be used to troubleshoot network connectivity? | ICMP |
What TCP/IP protocol is fast, unreliable, and opreates at the transport layer? | UDP |
"Destination Unreachable" is designated by which ICMP type code? | Type 3 |
Which of the following protocols is connectionless? | UDP, IP |
What is the decimal equivalent of the binary number 1100 0001 | 193 |
What port does the Trivial File Transfer Protocol, or TFTP service use? | 69 |
Which of the following is not a valid octal number? | 3482 |