Computer Science Networking and Internet Architecture – Set 18 ::CSE

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Q1. Which of the following TCP/IP protocol is used for transferring files from one machine to another?

(A) RARP
(B) ARP
(C) TCP
(D) FTP

Answer: (D) FTP


Q2. Eight stations are competing for the use of the shared channel using the modified Adaptive free walk protocol by Gallager. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?

(A) 1 slots
(B) 5 slots
(C) 10 slots
(D) 14 slots

Answer: (B) 5 slots


Q3. Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?

(A) One bit or any odd number of bits inverted in a block of data during transmission
(B) Two bits or any even number of bits inverted in a block during transmission
(C) One bit or any odd number of bits inverted in a byte during transmission
(D) Two bits or any even number of bits inverted in a byte during transmission

Answer: (D) Two bits or any even number of bits inverted in a byte during transmission


Q4. How many OSI layers are covered in the X.25 standard?

(A) Two
(B) Three
(C) Seven
(D) Six

Answer: (B) Three


Q5. Which command-line tool is included with every Microsoft TCP/IP client?

(A) DHCP
(B) WINS
(C) PING
(D) WINIPCFG

Answer: (C) PING


Q6. Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?

(A) FTP
(B) SNMP
(C) SMTP
(D) RPC

Answer: (C) SMTP


Q7. Avalanche photodiode receivers can detect hits of transmitted data by receiving

(A) 100 photons
(B) 200 photons
(C) 300 photons
(D) 400 photons

Answer: (B) 200 photons


Q8. The synchronous modems are more costly than the asynchronous modems because

(A) They produce large volume of data
(B) They contain clock recovery circuits
(C) They transmit the data with stop and start bits
(D) They operate with a larger bandwidth

Answer: (B) They contain clock recovery circuits


Q9. The _ houses the switches in token ring.

(A) Transceiver
(B) Nine-pin connector
(C) MAU
(D) NIC

Answer: (C) MAU


Q10. A distributed network configuration in which all data/information pass through a central computer is

(A) Bus network
(B) Star network
(C) Ring network
(D) Point-to-point network

Answer: (B) Star network


Q11. Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.

(A) Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology
(B) Ethernet, because it is cabled using fiber-optic cable
(C) Token-Ring, because it uses a MAU
(D) Ethernet, because it can be set up with most topologies and can use multiple transfer speeds

Answer: (D) Ethernet, because it can be set up with most topologies and can use multiple transfer speeds


Q12. On a class C network with a subnet mask of 192, how many subnets are available?

(A) 254
(B) 62
(C) 30
(D) 2

Answer: (D) 2


Q13. Which of the following device copies electrical signals from one Ethernet to another?

(A) Bridge
(B) Repeater
(C) Hub
(D) Passive hub

Answer:(B) Repeater


Q14. Which of the following statements is incorrect?

(A) Multiplexers are designed to accept data from several I/O devices and transmit a unified stream of data on one communication line
(B) HDLC is a standard synchronous communication protocol
(C) RTS/CTS is the way the DTE indicates that it is ready to transmit data and the way the DCE indicates that it is ready to accept data
(D) RTS/CTS is the way the terminal indicates ringing

Answer: (D) RTS/CTS is the way the terminal indicates ringing


Q15. Which application allows a user to access and change remote files without actual transfer?

(A) TELNET
(B) NFS
(C) FTP
(D) DNS

Answer: (B) NFS


Networking MCQ – All Set

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