Transport Layer Quiz
10 Questions
| Total Attempts: 3723
(122).jpg "Transport Layer Quiz")
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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