Transport Layer Quiz

10 Questions | By Bongeagle | Last updated: Mar 22, 2022 | Total Attempts: 5930

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Quiz Description

Questions and Answers

1.

Which port number is used by HTTP ?
- A.
  
  23
- B.
  
  80
- C.
  
  53
- D.
  
  110
2.

Which port number is used by SMTP ?
- A.
  
  20
- B.
  
  23
- C.
  
  25
- D.
  
  143
3.

Which characteristics are part of TCP? (Choose two.)
- A.
  
  Reliable
- B.
  
  Connectionless
- C.
  
  No flow control
- D.
  
  Resends anything not received
4.

End system use port numbers to select the proper applications. What is the lowest port number that can be dynamically assigned by the host system ?
- A.
  
  1
- B.
  
  128
- C.
  
  256
- D.
  
  1024
5.

During data transfer, what is the receiving host responsible for ? Choose two
- A.
  
  Encapsulation
- B.
  
  Bandwidth
- C.
  
  Segmentation
- D.
  
  Acknowledgement
- E.
  
  Reassembly
6.

Which protocol is used by FTP to transfer files over the Internet?
- A.
  
  TCP
- B.
  
  SMTP
- C.
  
  UDP
- D.
  
  SNMP
7.

Which of the following describes the operation of TCP window size?
- A.
  
  Window size increases as all data transfers.
- B.
  
  Window size is the TCP process used prepare data for transmission.
- C.
  
  Window size is decreased if packets are lost.
- D.
  
  Window size of 15 means that the next byte expected is byte number 15.
8.

Which protocol can be used to load or retrieve Cisco IOS images to or from a router?
- A.
  
  SNMP
- B.
  
  TFTP
- C.
  
  UDP
- D.
  
  TCP
9.

What is the purpose of TCP/UDP port numbers ?
- A.
  
  To indicate the beginning of a three-way handshake
- B.
  
  To reassemble the segments into the correct order
- C.
  
  To identify the numbers of the data packets that can be sent without acknowledgment
- D.
  
  To track the different conversations crossing the network at the same time
10.

Which of the following services is used to translate a web address into an IP address?
- A.
  
  DNS
- B.
  
  WINS
- C.
  
  DHCP
- D.
  
  Telnet

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