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NWC203c (100caudau)

Authored by Khanh Dai

Computers

University

Used 5+ times

NWC203c (100caudau)
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100 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following networks use store-and-forward switching operation? (2 answers)

a.Telephone networks

b. Wireless Networks

c. Computer networks

d. Telegraph networks

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are similarities between message switching and packet switching. Which of following that applies to packet switching but not to message switching?

a. Variable length of information block

b. Supporting multiple applications

c. Store-and-forward

d. All of the above

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following networks can be connection-oriented? (2 answers)
2 / 2 points

a. Telegraph networks

b. Computer networks

c. Telephone networks

d. All of the above


4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A protocol is a set of precise and unambiguous rules that governs

a. How two or more communicating entities in a layer are to interact

b. Messages that can be sent and received

c. Actions that are to be taken when a certain event occurs

d. All of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DNS is a domain-name-service that responds to queries of domain name to IP address or IP address to domain name. DNS uses services provided by

a. TCP

b.UDP

c. TTP

d. None of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A network used to join the individual networks at different sites into one extended network is called

a. LAN

b. PAN

c. SAN

d. VPN

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Upon receipt of a bad segment, UDP?

a. Retransmission

b. It does error control

b. It does error control

d. It does not do flow and error control

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