TCP/IP Hw questions

Question 1

What port is typically reserved and utilized by the Secure Hypertext Transfer Protocol to create a secure connection to a Web Server?

Answer 1

443

Question 2

Which command verifies the existence of a node on a network?

Answer 2

ping

Question 3

Which protocol offers guaranteed delivery and is connection-oriented?

Answer 3

TCP

Question 4

What layer, in the TCP/IP stack, is responsible for routing a packet to a destination address?

Answer 4

Internet

Question 5

What port, other than port 110, is used to retrieve e-mail?

Answer 5

Port 143

Question 6

FTP offers more security than TFTP. True or False?

Answer 6

True

Question 7

What protocol is the most widely used and allows all computers on a network to communicate and function correctly?

Answer 7

TCP/IP

Question 8

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?

Answer 8

ISN

Question 9

TCP communication can be likened to which of the following?

Answer 9

Phone conversation

Question 10

Which of the following are flags of a TCP packet?

Answer 10

URG, ACK

Question 11

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.

Answer 11

True

Question 12

What protocol is used for reporting or informational purposes?

Answer 12

ICMP

Question 13

What connection-oriented protocol is utilized by the Transport layer?

Answer 13

TCP

Question 14

What TCP flag is responsible for synchronizing the beginning of a session?

Answer 14

SYN flag

Question 15

A hex number is written with two characters, each representing a byte.

Answer 15

False

Question 16

In the TCP/IP stack, what layer is concerned with physically moving bits across the network’s medium?

Answer 16

Network

Question 17

What layer, in the TCP/IP protocol stack, is responsible for encapsulating data into segments?

Answer 17

Transport layer

Question 18

What’s the hexadecimal equivalent of the binary number 1111 1111?

Answer 18

FF

Question 19

What does the acronym TCP represent?

Answer 19

Transmission Control Protocol

Question 20

What is the logical component of a TCP connection that can be assigned to a process that requires network connectivity?

Answer 20

Port

Question 21

What port does DNS use?

Answer 21

Port 53

Question 22

A UDP packet is usually smaller than a TCP packet. True or False?

Answer 22

True

Question 23

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?

Answer 23

Transport

Question 24

What TCP/IP protocol is used to send messages related to network operations and can be used to troubleshoot network connectivity?

Answer 24

ICMP

Question 25

What TCP/IP protocol is fast, unreliable, and opreates at the transport layer?

Answer 25

UDP

Question 26

“Destination Unreachable” is designated by which ICMP type code?

Answer 26

Type 3

Question 27

Which of the following protocols is connectionless?

Answer 27

UDP, IP

Question 28

What is the decimal equivalent of the binary number 1100 0001

Answer 28

193

Question 29

What port does the Trivial File Transfer Protocol, or TFTP service use?

Answer 29

69

Question 30

Which of the following is not a valid octal number?

Answer 30

3482