McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) , Electrical Engineering , Bachelor of Science in Computer Science TY (BSc CS) , Bachelor of Science in Information Technology FY (BSc IT) , Bachelor of Science in Information Technology SY (BSc IT) .
| 751. |
is a standard suite of protocols used for packet switching across computer networks. |
| A. | x.22 |
| B. | x.23 |
| C. | x.25 |
| D. | x.26 |
| Answer» C. x.25 | |
| 752. |
What is the full form of CAN? |
| A. | Campus Area Network |
| B. | Cluster Area Network |
| C. | Control Area network |
| D. | both A and B |
| Answer» D. both A and B | |
| 753. |
Which of the following below is/are the capability of ICMP protocol? |
| A. | Report package count |
| B. | Report network congestion |
| C. | Both band d |
| D. | Report availability of remote hosts |
| Answer» C. Both band d | |
| 754. |
ARP works on Ethernet networks. |
| A. | False |
| B. | True |
| C. | none |
| D. | other |
| Answer» B. True | |
| 755. |
assigns a unique number to each IP network adapter called the MAC address. |
| A. | Media Access Control |
| B. | Metro Access Control |
| C. | Metropolitan Access Control |
| D. | Both B and C above |
| Answer» A. Media Access Control | |
| 756. |
Piconets in the blue tooth a minimum of two and amaximum of Bluetooth peer devices. |
| A. | five |
| B. | eight |
| C. | nine |
| D. | four |
| Answer» B. eight | |
| 757. |
Dynamic addressing doesn’t allow many devices To share limited address space on a network |
| A. | True |
| B. | False |
| C. | none |
| D. | other |
| Answer» B. False | |
| 758. |
NAT stands for . |
| A. | network address transformer |
| B. | network address translator |
| C. | network address translation |
| D. | Both B and C above |
| Answer» C. network address translation | |
| 759. |
Which of the following is true for secure shell tunneling? |
| A. | To set up an SSH tunnel, one configures an SSH client to forward a specified local port |
| B. | SSH tunnels provide a means to not bypassfirewalls |
| C. | All SSH clients support dynamic port forwarding |
| D. | Both A and B |
| Answer» A. To set up an SSH tunnel, one configures an SSH client to forward a specified local port | |
| 760. |
Which of the following below are secure VPN protocols? |
| A. | UDP |
| B. | TCP |
| C. | SSTP |
| D. | Both B and C |
| Answer» D. Both B and C | |
| 761. |
What is the difference between a switch and a hub? |
| A. | Switches operate at the physical layer while hubs operate at the data link layer |
| B. | Switches operate at the data link layer while hubs operate at the transport layer |
| C. | Switches operate at the data link layer while hubs operate at the physical layer |
| D. | Switches operate at the transport layer while hubs operate at the physical layer |
| Answer» C. Switches operate at the data link layer while hubs operate at the physical layer | |
| 762. |
When computers in a network listen and receive the signal, it is termed as active toplogy |
| A. | True |
| B. | False |
| C. | none |
| D. | other |
| Answer» A. True | |
| 763. |
In 10base2, 10base5, what do 2 and 5 stand for? |
| A. | Speed in Mbps |
| B. | Number of segments |
| C. | Length of segment |
| D. | Size of segment |
| Answer» B. Number of segments | |
| 764. |
is added to data packet for error detection. |
| A. | checksum bit |
| B. | error bit |
| C. | parity bit |
| D. | other |
| Answer» C. parity bit | |
| 765. |
ALL IP addresses are divided into a network address and host address |
| A. | True |
| B. | False |
| C. | none |
| D. | other |
| Answer» A. True | |
| 766. |
How can we examine the current routing tables in command prompt? |
| A. | using route start |
| B. | using net start |
| C. | using net stat |
| D. | either a or b |
| Answer» C. using net stat | |
| 767. |
Both ping and tracert are used to find If the computer is in the network. |
| A. | True |
| B. | False |
| C. | none |
| D. | other |
| Answer» B. False | |
| 768. |
What is the difference between ring and bustopology? |
| A. | In Ring, all nodes are connected with another in a loop while in the bus they are connected to a central cable |
| B. | In Ring, all nodes are connected with another loop while on a bus they are connected to a central cable |
| C. | In the bus, all nodes are connected with another in a loop while instar they are connected to a centralbnode |
| D. | In Bus all nodes are connected with another loop while instar they are connected to a central cable |
| Answer» A. In Ring, all nodes are connected with another in a loop while in the bus they are connected to a central cable | |
| 769. |
MAC addressing works in data link layer while IP addressing works in the network layer. |
| A. | True |
| B. | False |
| C. | none |
| D. | other |
| Answer» A. True | |
| 770. |
A packet whose destination is outside the local TCP/IP network segment is sentto the _. |
| A. | File server |
| B. | Default gateway |
| C. | DNS server |
| D. | DHCP server |
| Answer» B. Default gateway | |
| 771. |
Why was the OSI model developed? |
| A. | manufacturers disliked the TCP/IP protocol suite |
| B. | the rate of data transfer was increasing exponentially |
| C. | standards were needed to allow any two systems to communicate |
| D. | none of the above |
| Answer» C. standards were needed to allow any two systems to communicate | |
| 772. |
Which piece of information is not vital for a computer in a TCP/IP network? |
| A. | IP address |
| B. | Default gateway |
| C. | Subnet Mask |
| D. | DNS server |
| Answer» D. DNS server | |
| 773. |
The physical layer is concerned with the movement of over the physical medium. |
| A. | programs |
| B. | dialogs |
| C. | protocols |
| D. | Bits |
| Answer» D. Bits | |
| 774. |
Which protocol below operates at the network layer in the OSI model? |
| A. | IP |
| B. | ICMP |
| C. | RARP |
| D. | All of the above |
| Answer» D. All of the above | |
| 775. |
In the OSI model, as a data packet moves from the lower to the upper layers, headers are . |
| A. | added |
| B. | removed |
| C. | rearranged |
| D. | Modified |
| Answer» B. removed | |
| 776. |
Session layer of the OSI model provides |
| A. | Data representation |
| B. | Dialog control |
| C. | Remote job execution |
| D. | Creating logical connections |
| Answer» B. Dialog control | |
| 777. |
IPv6 has -bit addresses. |
| A. | 32 |
| B. | 64 |
| C. | 128 |
| D. | Variable |
| Answer» C. 128 | |
| 778. |
Which one of the following functionalities aren’t provided by TCP? |
| A. | Flow control |
| B. | Addressing |
| C. | Retransmission of packets as required |
| D. | Proper sequencing of the packets |
| Answer» B. Addressing | |
| 779. |
Which of the following can be an Ethernet physical address? |
| A. | 01:02:01:2C:4B |
| B. | 07:01:02:01:2C:4B:2C |
| C. | 07:01:02:01:2C:4B |
| D. | none of the above |
| Answer» C. 07:01:02:01:2C:4B | |
| 780. |
An IP address contains bits ? |
| A. | 8 |
| B. | 16 |
| C. | 32 |
| D. | 64 |
| Answer» C. 32 | |
| 781. |
Which routing protocol below is used by exterior routers between the autonomoussystems? |
| A. | RIP |
| B. | IGRP |
| C. | OSPF |
| D. | BGP |
| Answer» D. BGP | |
| 782. |
Which of the IP headers decides when the packet should be discarded? |
| A. | Fragment control |
| B. | TTL |
| C. | Checksum |
| D. | Header length |
| Answer» B. TTL | |
| 783. |
Which IP address is reserved for software loop-back? |
| A. | 224.x.x.x |
| B. | 127.x.x.x |
| C. | 0.0.0.0 |
| D. | 255.255.255.255 |
| Answer» B. 127.x.x.x | |
| 784. |
What is the network ID for a computer whose IP address is190.148.64.23? |
| A. | 190 |
| B. | 190.148 |
| C. | 190.148.64 |
| D. | None of the above |
| Answer» B. 190.148 | |
| 785. |
Which port is reserved for use of the SMTP protocol? |
| A. | 21 |
| B. | 23 |
| C. | 25 |
| D. | 53 |
| Answer» C. 25 | |
| 786. |
Which one of the followings is a connectionless protocol? |
| A. | UDP |
| B. | Ethernet |
| C. | IPX |
| D. | All of the above |
| Answer» D. All of the above | |
| 787. |
Which application below uses the UDP protocol? |
| A. | DNS |
| B. | TFTP |
| C. | RIP |
| D. | All of the above |
| Answer» C. RIP | |
| 788. |
How many IP addresses can be assigned to hosts in a C-class network segment with a subnet mask of 255.255.255.192? |
| A. | 62 |
| B. | 126 |
| C. | 192 |
| D. | 254 |
| Answer» A. 62 | |
| 789. |
Which of the followings is not a direct implication of subnet masks in TCP/IP networks? |
| A. | Reduce network traffic |
| B. | Increase network security |
| C. | Assignment of more IP addresses |
| D. | Better network management |
| Answer» C. Assignment of more IP addresses | |
| 790. |
In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are |
| A. | Added |
| B. | Removed |
| C. | Rearranged |
| D. | Modified |
| Answer» A. Added | |
| 791. |
The structure or format of data is called |
| A. | Syntax |
| B. | Semantics |
| C. | Struct |
| D. | Formatting |
| Answer» A. Syntax | |
| 792. |
Communication between a computer and a keyboard involves transmission. |
| A. | Automatic |
| B. | Half-duplex |
| C. | Full-duplex |
| D. | Simplex |
| Answer» D. Simplex | |
| 793. |
The first Network was called |
| A. | CNNET |
| B. | NSFNET |
| C. | ASAPNET |
| D. | ARPANET |
| Answer» D. ARPANET | |
| 794. |
A set of rules that governs data communication. |
| A. | Protocols |
| B. | Standards |
| C. | RFCs |
| D. | Servers |
| Answer» A. Protocols | |
| 795. |
Communication channel is shared by all the machines on the networkin |
| A. | Broadcast network |
| B. | Unicast network |
| C. | Multicast network |
| D. | Anycast network |
| Answer» A. Broadcast network | |
| 796. |
A is a device that forwards packets between networks by processing the routing information included in the packet. |
| A. | Bridge |
| B. | Firewall |
| C. | Router |
| D. | Hub |
| Answer» C. Router | |
| 797. |
Network congestion occurs |
| A. | In case of traffic overloading |
| B. | When a system terminates |
| C. | When connection between two nodes terminates |
| D. | In case of transfer failure |
| Answer» A. In case of traffic overloading | |
| 798. |
Which of the following networks extends a private network across public networks? |
| A. | Local area network |
| B. | Virtual private network |
| C. | Enterprise private network |
| D. | Storage area network |
| Answer» B. Virtual private network | |
| 799. |
The number of layers in ISO OSI reference model is |
| A. | 5 |
| B. | 7 |
| C. | 6 |
| D. | 10 |
| Answer» B. 7 | |
| 800. |
Which of the following layers is an addition to OSI model when compared with TCP IPmodel? |
| A. | Application layer |
| B. | Presentation layer |
| C. | Session layer |
| D. | Session and Presentation layer |
| Answer» D. Session and Presentation layer | |
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