Computer Science

Q.1 A header in CGI script can speci fy
(A) format of the document . (B) new locat ion of the document .
(C) (A) & (B) both. (D) start of the document .
Ans: A

A header in CGI scr ipt can specify- Format of the document & New location of the document .

Q.2 All except ions in Java are subclasses of built in class called
(A) Except ion (B) Error .
(C) Throwable. (D) Raise.
Ans: C

All except ion in Java are subclasses of built in class called Throwable.

Q.3 In 32bit IP Addressing scheme all 1’s represent
(A) this computer. (B) directed broadcast .
(C) limited broadcast . (D) loop back.
Ans: C

In 32 bit IP Addressing scheme all 1’s represent limited broadcast .

Q.4 DMSP stands for
(A) Distributed Mail System Protocol
(B) Distributed Message System Protocol
(C) Distributed Message System Pool
(D) Distributed Mail System Pool
Ans: A

DMSP stands for – Distributed Mail system Protocol .

Q.5 Which Layer is not present in TCP/ IP model?
(A) Appl icat ion Layer (B) Internet Layer
(C) Transport Layer (D) Presentation Layer
Ans: D

Presentation layer is not present in TCP/IP Model .

Q.6 Let most segment of a name inn DNS represents
(A) Individual Network. (B) Individual computer.
(C) Domain name (D) Network type.
Ans: B

Left Most segment of a name in DNS represents- Individual computer

Q.7 Address 192.5.48.3 belongs to
(A) class A. (B) class B.
(C) class C. (D) class D.
Ans: C

Address 192.5.48.3 belongs to class C.

Q.8 Unlike Ipv4, Ipv6 does not include the following field in thee base header
(A) Next Headerfield. (B) Field for Fragmentat ion information
(B) Flow Label . (D) Kind field.
Ans: B

Unlike Ipv4, Ipv6 does not include the Field for Fragmentation information in the base header.

Q.9 The term byte stuf fing refers to:
(A) data stuffing used with character oriented hardware.
(B) data stuffing used with bi t oriented hardware.
(C) data stuffing used with both (A) & (B)
(D) data stuffing used with byte oriented hardware.
Ans: A

The term byte stuffing refers to data stuffing used with character -oriented hardware.

Q.10 FDDI (Fiber Distributed Data Interconnect) is an example of
(A) token ring. (B) token bus
(C) star topology (D) multipoint network.
Ans: A

FDDI is an example of token ring.

Q.11 Hardware that calculates CRC(Cyclic Redundancy Check) uses:
(A) Shift register (B) Xor unit
(C) Both (A) & (B) (D) Instruction register
Ans: B

Hardware that calculates CRC uses shi ft register and Xor uni t .

Q.12 In TCP protocol header “checksum” is of___________
(A) 8 bi ts (B) 16 bi ts
(C) 32 bi ts (D) 64 bis
Ans: B

In TCP protocol header checksum is of 16 bi ts.

Q.13 In IP addressing scheme, class used for multicasting is:
(A) Class A (B) Class B
(C) Class C (D) Class D
Ans: D

In IP addressing scheme, class used for multicasting is class D.

Q.14 CIDR stands for
(A) Classified Internet Domain Routing
(B) Classless Inter Domain Routing
(C) Classless Internet Domain Routing
(D) Classified Inter Domain Routing
Ans: B

CIDR stands for Classless Inter Domain Routing.

Q.15 The total number of class of IP address are
(A) 3. (B) 4.
(C) 5. (D) 9.
Ans: C

The total number of class of IP addresses are 5.