OSI stands for __________

A. open system interconnection
B. operating system interface
C. optical service implementation
D. open service Internet
Answer: Option a

The network layer protocol for internet is __________

A. ethernet
B. internet protocol
C. hypertext transfer protocol
D. file transfer protocol
Answer: Option b

Which of the following are transport layer protocols used in networking?

A. TCP and FTP
B. UDP and HTTP
C. TCP and UDP
D. HTTP and FTP
Answer: Option c

Which network topology requires a central controller or hub?

A. Star
B. Mesh
C. Ring
D. Bus
Answer: Option a

Data communication system spanning states, countries, or the whole world is ________

A. LAN
B. WAN
C. MAN
D. PAN
Answer: Option b

Data communication system within a building or campus is________

A. LAN
B. WAN
C. MAN
D. PAN
Answer: Option a

WAN stands for __________

A. World area network
B. Wide area network
C. Web area network
D. Web access network
Answer: Option b

In the transfer of a file between server and client, if the transmission rates along the path are 10Mbps, 20Mbps, 30Mbps, 40Mbps. The throughput is usually ___________

A. 20Mbps
B. 10Mbps
C. 40Mbps
D. 50Mbps
Answer: Option b

Propagation delay depends on ___________

A. Packet length
B. Transmission rate
C. Distance between the routers
D. Speed of the CPU
Answer: Option c

The attacker using a network of compromised devices is known as _____________

A. Internet
B. Botnet
C. Telnet
D. D-net
Answer: Option b

Which of the following is a form of DoS attack?

A. Vulnerability attack
B. Bandwidth flooding
C. Connection flooding
D. All of the mentioned
Answer: Option d

The DoS attack, in which the attacker sends a deluge of packets to the targeted host is ________

A. Vulnerability attack
B. Bandwidth flooding
C. Connection flooding
D. UDP flooding
Answer: Option b

Firewalls are often configured to block ___________

A. UDP traffic
B. TCP traffic
C. Sensitive traffic
D. Best-effort traffic
Answer: Option a

Fiber optics posses following properties __________

A. Immune electromagnetic interference
B. Very less signal attenuation
C. Very hard to tap
D. All of the mentioned
Answer: Option d

Radio channels are attractive medium because __________

A. Can penetrate walls
B. Connectivity can be given to the mobile user
C. Can carry signals for long-distance
D. All of the mentioned
Answer: Option d

The article was published on January 2, 2021 @ 11:54 AM

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