CS601 Quiz 3 Set 2 by VU Topper RM

No matter whether the link is dedicated or broadcast, data link control (DLC) layer provides services between --------. A. Virtual LANs B. Ethernet links

C. Two adjacent nodes

D. Source and destination PCs

___________ is an Authentication Protocol, which uses two-step process to authenticate user information.

A. PAP

B. LCP C. CHAP D. ICMP

Error detection and correction are the services provided by _________ layer. A. Session layer B. Physical layer

C. Data link layer

D. Application layer

In circuit switching, when two end devices “A” and “B” connects with each other they send ___________ request. A. Setup B. Inquiry C. Switching

D. Acceptance

A switched network consists of a series of interlinked _____ called switches. A. Root

B. Nodes Google

C. Points D. System

In case of higher data rate, the number of impacted bits will be

A. Zero B. Lower

C. Higher

D. Normal

______________are used to exchange session management and control information between connected devices. A. I-frames

B. U-frames

C. S-frames D. N-frames

Data Link layer receives services from the ___________ layer. A. Session

B. Physical

C. Transport D. Application

If we increase the data rate of a transmission over noisy channel, fixed noise duration will cause _______ number of bits being impacted by the noise.

A. Less Google

B. More C. Same D. Constant One of the most common protocols for point-to-point access is

A. IP B. TCP

C. PPP

D. UDP

CHAP is an Authentication Protocol, which uses ___________ process to authenticate user information. A. Two-way B. Four-way C. Five-way

D. Three-way

Payload field of the PPP frame is of variable size and it can carry maximum data up to ____________. A. 10 bytes B. 100 bytes C. 500 bytes

D. 1500 bytes

In virtual circuit approach when a frame enters a switch and when it leaves a switch its VCI_______________. A. Always Changes

B. Remain the Same

C. Sometimes Changes D. Sometimes Remain Same

To control and manage the transfer of data, a protocol called Point to Point Protocol (PPP) is used at the _________________ layer. A. Physical B. Data link