CS610 Solved MCQs for Papers and Quizzes

Computer Networks (CS610)

Ethernet uses a ------ bit static addressing scheme in which each device is assigned a unique address by the manufacturer.

Ethernet uses a ____________ static addressing scheme in which each device is assigned a unique address by the manufacturer.

The --------- bit preamble in the Ethernet frame format that precedes the frame contains alternating 1s and 0s that allow the receiver’s hardware to synchronize with the incoming signal.

The third field of the header consists of ------ bit Ethernet frame type.

An interface for twisted pair Ethernet must have a ____________ connector, and must generate signals

BNCt base 10

RJ 45- t base 10

BNC-t base 5 RJ 45-t base 2 A bridge uses the ___________ to determine which computers connect to which segment, and uses the __________ to determine whether to forward a copy of frame.

Source , destination

Source , source Destination, source None from above Formally named __________ informally known as the thick wire Ethernet or Thick net.

10 Base 2 10 Base 5

10 Base T

Formally named --------------- informally known as thin wire Ethernet or thin net.

10 Base 2

10 Base 5 10 Base T

Formally named __________ informally known as the twisted pair Ethernet or TP Ethernet.

10 Base 2 10 Base 5

10 Base T

Most NICs contain _______________ circuitry that allows the NIC to operate independent of the CPU.

DMA(Direct Memory Access)

Multiplexer Transceiver

A system with redundant bridges might have a problem with_______ in the system.

Loop

Filters Spamming All above A Bridge can ________

Filter a frame Forward a frame Extend a LAN

Do all the above

________ has a jitter zero

Virtual Private Network

Isochronous Network

Asynchronous Network

Unlike Frame Relay and ATM, SMDS (Switched multi-megabit Data service) offers_______ .

Connectionless service paradigm

Connection oriented service paradigm

Both Connectionless and Connection-oriented service paradigm

ATM assigns each VC a _____________ identifier that is divided two parts to produce a hierarchy.

21-bit 22-bit 23-bit

24-bit

Most WAN systems include a mechanism that can be used to eliminate the common case of duplication routing is called___________

Hierarchal address

Default route

Shortest path

The next hop to which a packet is sent depends only on

Packet’s destination

Packet’s original source Path the packet has taken

When an application--------------- data, it makes a copy of the data available to all other computers on the network?

Broadcasting

Multicasting Unicasting

A ---------- provide a mechanism that a customer can use to set a physical address.

Static addressing scheme

Configurable addressing scheme Dynamic addressing scheme

_____________ sense a signal on one cable and then transmits an amplified copy on the other cable.

Repeater

Bridge Hub

The maximum size of an Ethernet segment is___________

250 meters

500 meters

700 meters

FDDI can transmits data at a rate of -----

100 million bits per second

100 million bits per second 100 million bits per second

Computers attached to an ether use ------ in which a computer waits for the ether to be idle before transmitting a frame.

CSMA/CD

CSMA/CA TOKEN PASSING

-------------- have advantages arisen from the size and ease of computation.