COMPUTER NETWORKING QUIZ

Twisted pair wires, coaxial cable, optical fiber cables are the examples of:

Wireless Media

None of these

Wired Media

Both A & B

TRUE ANSWER : ?
YOUR ANSWER : ?

IEEE project 802 divides the data link layer into an upper _ sublayer and a lower _ sublayer.

None of these

PDU, HDLC

HDLC, PDU

MAC, LLC

LLC, MAC

TRUE ANSWER : ?
YOUR ANSWER : ?

Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz?

N

G

A

B

TRUE ANSWER : ?
YOUR ANSWER : ?

The main difference between synchronous and asynchronous transmission is

the bandwidth required is different

None of these

the clocking is mixed with the data in asynchronous transmission

the clocking is derived from the data in synchronous transmission

the pulse height is different.

TRUE ANSWER : ?
YOUR ANSWER : ?

Modulation is the process of

Multiplexing various signals into high speed line signals

performing data encryption.

converting digital signals to analog signals

converting analog signals to digital signals

TRUE ANSWER : ?
YOUR ANSWER : ?

ICMP (Internet Control Message Protocol) is

a TCP/IP high level protocol for transferring files from one machine to another

a protocol that handles error and control messages

a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address

a protocol used to monitor computers

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

You have a network ID of 134.57.0.0 with 8 subnets. You need to allow the largest possible number of host IDs per subnet. Which subnet mask should you assign?

255.255.252.0

255.255.224.0

255.255.240.0

255.255.248.0

255.255.255.255

TRUE ANSWER : ?
YOUR ANSWER : ?

The transfer of data from a CPU to peripheral devices of a computer is achieved through

modems

computer ports

buffer memory

None of these

interfaces

TRUE ANSWER : ?
YOUR ANSWER : ?

Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.

None of these

1/ (1 - F)

KIK (1 + F)

K I (K - P)

P I (K + 1)

TRUE ANSWER : ?
YOUR ANSWER : ?

A computer that handles resource sharing and network management in a local area network. Select the best fit for answer:

Network operating system

Network Server

OSI

Three

Virtual Private Network

TRUE ANSWER : ?
YOUR ANSWER : ?