Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

DHCP stands for

A. Dynamic Host Control Protocol
B. Dynamic Host Configuration Protocol.
C. Dynamic Host Connection Protocol.
D. None of the above.
Answer» C. Dynamic Host Connection Protocol.
2.

High-level Data Link Control (HDLC) protocol for communication over point-to-point and multipoint links is a?

A. byte-oriented
B. character-oriented
C. bit-oriented
D. None of the above.
Answer» D. None of the above.
3.

Networking: Print server uses ________ which is a buffer that holds data before it is sent to the printer.

A. Queue
B. Spool
C. Node
D. Stack
Answer» C. Node
4.

Networking: What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?

A. 32 bits
B. 128 bytes
C. 64 bits
D. 128 bits
Answer» C. 64 bits
5.

Networking: Which of the following is the valid host range for the subnet on which the IP address 192.168.168.188 255.255.255.192 resides?

A. 21. 192.168.168.129-190
B. 21. 192.168.168.129-191
C. 21. 192.168.168.128-190
D. 21. 192.168.168.128-192
Answer» B. 21. 192.168.168.129-191
6.

Networking: Contention is ________

A. One or more conductors that serve as a common connection for a related group of devices
B. a continuous frequency capable of being modulated or impressed with a second signal
C. the condition when two or more stations attempt to use the same channel at the same time
D. a collection of interconnected functional units that provides a data communications service among stations attached to the network
Answer» D. a collection of interconnected functional units that provides a data communications service among stations attached to the network
7.

Networking : The octal equivalence of 111010 is

A. 81
B. 72
C. 71
D. None of above
Answer» C. 71
8.

Which of the following registers is used to keep track of address of the memory location where the next instruction is located? (Networking)

A. Memory address register
B. Memory data register
C. Instruction register
D. Program counter
Answer» E.
9.

How many address lines are needed to address each memory location in a 2048 x 4 memory chip? (Networking)

A. 10
B. 11
C. 8
D. 12
Answer» C. 8
10.

Which computer memory is used for storing programs and data currently being processed by the CPU? (Networking)

A. Mass memory
B. Internal memory
C. Non-volatile memory
D. PROM
Answer» C. Non-volatile memory
11.

Which one of the following statement is true for a layer-4 firewall which is a device that can look at all protocol headers up to the transport layer? (Networking)

A. It cannot block TCP traffic from a specific user on a multiple-user system during 9.00pm and 5.00pm
B. It cannot stop incoming traffic from a specific IP address but allow outgoing traffic to the same IP address.
C. It cannot block entire HTTP traffic during 9.00 pm and 5.00pm
D. It cannot block all ICMP traffic.
Answer» D. It cannot block all ICMP traffic.
12.

Which of the following is / are the Network Topologies?

A. Centralized Topology
B. Decentralized Topology
C. Distributed Topology
D. All of the above
Answer» E.
13.

What should we call Point-to-Point links that support data transmissions in both directions?

A. Half Duplex
B. Full Duplex
C. Both A and B
D. None of the Above
Answer» C. Both A and B
14.

Redundancy and Error - Correcting codes are useful when errors are _________.

A. Randomly Distributed
B. Clustered
C. Interleaving
D. Collected
Answer» B. Clustered
15.

Which of the following is / are the transmission media that have the highest transmission speed in a Network?

A. Twisted Pair Cable
B. Coaxial Cable
C. Unshielded Twisted Pair Cable
D. Fiber Optic Cable
Answer» E.
16.

In OSI Model, from which layer the physical layer translates the logical communication request, where hardware specific operations are to be done?

A. Transport Layer
B. Application Layer
C. Data Link Layer
D. Network Layer
Answer» D. Network Layer
17.

What should we call a network which is located within a building or campus?

A. MAN
B. WAN
C. VAN
D. LAN
Answer» E.
18.

Which topology has a Central Controller or a Hub?

A. Bus
B. Star
C. Mesh
D. Tree
Answer» C. Mesh
19.

Which switching methods are used to move data through a network link and switches?

A. Circuit Switching
B. Pocket Switching
C. Both A and B
D. Line Switching
Answer» D. Line Switching
20.

What is the size of the MAC Address?

A. 48 bits
B. 36 bits
C. 24 bits
D. 42 bits
Answer» B. 36 bits
21.

Which of the following is / are the disadvantages of fragmentation? (Networking)

A. Overlapping of Fragments
B. Complicates Routers
C. Open to DoS Attack
D. All of the Above
Answer» E.
22.

HTTP Protocol is used in ________.

A. Application Layer
B. Data Link Layer
C. Transport Layer
D. Network Layer
Answer» B. Data Link Layer
23.

What does the Standard x.25 specify?

A. DTE / DCE Interface
B. Data bit rate
C. Start - Stop Data
D. Dial Access
Answer» B. Data bit rate
24.

What is the size of the Ipv6 address?

A. 64 bits
B. 128 bits
C. 32 bits
D. 128 bytes
Answer» C. 32 bits
25.

The hamming distance between 001111 and 010011 is.

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
26.

Which OSI layer is responsible for delivery of data packets from source to destination?

A. Transport layer.
B. Network layer.
C. Data layer.
D. None of the above.
Answer» C. Data layer.
27.

Choose the correct option about Internetworking protocol (IP).

A. Internetworking protocol (IP) is an unreliable and connectionless protocol.
B. IP transports data in packets called datagrams.
C. Option A and B are correct.
D. None of the above.
Answer» D. None of the above.
28.

Which OSI layer is responsible for delivery of data packets from node to node?

A. Transport layer.
B. Network layer.
C. Data layer.
D. None of the above.
Answer» D. None of the above.
29.

Which protocol is used to find the physical address of the node when its Internet address is known?

A. Address Resolution Protocol (ARP)
B. Reverse Address Resolution Protocol (RARP)
C. ICMP
D. None of the above.
Answer» B. Reverse Address Resolution Protocol (RARP)
30.

What can we call an Ethernet frame that is less than the IEEE 802.3's minimum length of 64 octets? (Networking)

A. Short Frame
B. Mini Frame
C. Runt frame
D. None of the Above
Answer» D. None of the Above
31.

What is the maximum size of the Payload field in an Ethernet Frame?

A. 1300 bytes
B. 1500 bytes
C. 1000 bytes
D. 1200 bytes
Answer» C. 1000 bytes
32.

What is the full form of NIC?

A. Network Interface Connection
B. Net Interface Card
C. Network Interface Card
D. New Internet Connection
Answer» D. New Internet Connection
33.

Where can we use Internet Packet Exchanger (IPX) / Sequence Package Exchanger (SPX)?

A. Xerox Network Systems
B. Netware Core Protocol
C. NetBIOS
D. Novell's Netware Network
Answer» E.
34.

In a connection between Client and Server, which protocol can send multiple objects over a TCP / IP?

A. Non - Persistent HTTP
B. Persistent HTTP
C. All of the Above
D. None of the Above
Answer» C. All of the Above
35.

If there are n devices (nodes) in a network what is the number of cable links required for a mesh topology?

A. n
B. n (n-1)
C. n-1
D. None of the above.
Answer» C. n-1
36.

Why does the Client get blocked while the call is being processed in RPC by a Server?

A. Completing the duration of the Connection.
B. Client sends an Asynchronous Request to the Server.
C. Call Processing is Complete.
D. It discovers the process path.
Answer» C. Call Processing is Complete.
37.

Networking: Which of the following summation operations is performed on the bits to check an error-detecting code?

A. Codec
B. Coder-decoder
C. Checksum
D. Attenuation
Answer» D. Attenuation
38.

Which of the following is/are functions of header subfields? I. Router change flagII. Virtual path identifierIII. Header error controlIV. Cell loss priority

A. III, IV
B. II, III, IV
C. I, II
D. I, III, II
Answer» C. I, II
39.

State the bit rate in ethernet when manchester encoding is used.

A. Same as the band rate
B. half of the band rate
C. Twice the band rate
D. None of these
Answer» C. Twice the band rate
40.

Match the following List 1 to List 21. Open message --------------- i. To close an active session 2. Update message ------------ ii. Opens a BGP communications session3. Keep-alive message -------- iii. Provide routing updates to other BGP system4. Notification message ------- iv.Notifies BGP peers device is active

A. 1-ii, 2-i, 3-iv, 4-iii
B. 1-iv, 2-iii, 3-i, 4-ii
C. 1-ii, 2-iii, 3-iv, 4-i
D. 1-i, 2-ii, 3-iii, 4-iv
Answer» D. 1-i, 2-ii, 3-iii, 4-iv
41.

Which system call results in the sending of the SYN Packets?

A. Socket
B. Connect
C. Bind
D. Listen
Answer» B. Connect
42.

Which of the following transport protocols uses UDP?

A. SMTP
B. Telnet
C. HTTP
D. DNS
Answer» E.