Mcqs MCQs

10 MCQs — Computer Networks MCQs

Practice Mcqs MCQs with correct answers and explanations. These questions are from the Computer Networks MCQs section.

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Computer Networks Subcategories

Access Networks	Acl
Analyzing Subnet Mask	Application Layer
Aptitude Test	Atm Frame Relay
Basics	Bgp
Bluetooth	Broadcast Routing
Campus Interviews	Cidr
Cisco Lan Switches	Computer Network
Computer Network Interview Questions/	Computer Networks
Computer Networks Assessment	Computer Networks Basic
Congestion Control	Cookie
Cryptography	Data Link Layer
Delays Loss	Dhcp
Digital Signatures	Dns
Dv Routing Algorithms	Eigrp 2
Entrance Exams	Error Detection Correction Techniques
Ethernet	Experienced
Firewall	Frame Relay 2
Freshers	Ftp
Hash Functions	Hierarchical Routing
Http	Http Ftp
Icmp	Internet
Internetworking	Ip Routing 2
Ipsecurity	Ipv4
Ipv4 Ipv6 Comparison	Ipv6
Local Area Networks	Ls Routing Algorithms
Mac Address	Mail Access Protocols
Mcqs	Multiple Access Links Protocols
Multiplexing	Network Attacks
Network Layer	Network Management Models
Network Management Standards	Network Node Components
Network Security Encryption	Network Topology Set 2
Network Topology Set 3	Network Utilities
Online Quiz	Online Test
Ospf	Packet Circuit Switching
Physical Layer	Physical Media
Port	Public Key Cryptography
Quiz	Reference Models
Reliable Data Transfer	Remote Network Monitoring
Ripv1	Rmon1
Routers Functionalities Basics	Rpc
Rtp	Security
Security Management	Smtp
Snmp	Snmp Operations
Snmpv2 Protocol	Snmpv3 Features
Snmpv3 User Based Security Model	Sonet
Ssh	Switches Hubs
Symmetric Key Cryptography	System Utilities Management
Tcp	Telnet
Test	Topology
Transport Layer	Udp
Virtual Circuit	Vlan
Web Caching	Wimax
Wireless Lan	World Wide Web

A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts? i. A crossover cable should be used in place of the straight-through cable. ii. A rollover cable should be used in place of the straight-through cable. iii. The subnet masks should be set to 255.255.255.192. iv. A default gateway needs to be set on each host. v. The subnet masks should be set to 255.255.255.0.

A. I only
B. Ii only
C. Iii and iv only
D. I and v only

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Your router has the following IP address on Ethernet0: 172.16.2.1/23. Which of the following can be valid host IDs on the LAN interface attached to the router? i. 172.16.1.100 ii. 172.16.1.198 iii. 172.16.2.255 iv. 172.16.3.0 advertisement

A. I only
B. Ii and iii only
C. Iii and iv only
D. Ii only

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Which two statements describe the IP address 10.16.3.65/23? i. The subnet address is 10.16.3.0 255.255.254.0. ii. The lowest host address in the subnet is 10.16.2.1 255.255.254.0. iii. The last valid host address in the subnet is 10.16.2.254 255.255.254.0. iv. The broadcast address of the subnet is 10.16.3.255 255.255.254.0. 🎓 Register Today for Free C++ Certification - January 2026

A. I and iii
B. Ii and iv
C. I, ii and iv
D. Ii, iii and iv

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What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?

A. 14
B. 15
C. 16
D. 30

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You need to subnet a network into 5 subnets, each with at least 16 hosts. Which classful subnet mask would you use?

A. 255.255.255.192
B. 255.255.255.224
C. 255.255.255.240
D. 255.255.255.248

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You have a network that needs 29 subnets while maximizing the number of host addresses available on each subnet. How many bits must you borrow from the host field to provide the correct subnet mask?

A. 2
B. 3
C. 4
D. 5

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If an Ethernet port on a router were assigned an IP address of 172.16.112.1/25, what would be the valid subnet address of this host?

A. 172.16.112.0
B. 172.16.0.0
C. 172.16.96.0
D. 172.16.255.0

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You have an interface on a router with the IP address of 192.168.192.10/29. Including the router interface, how many hosts can have IP addresses on the LAN attached to the router interface?

A. 6
B. 8
C. 30
D. 32

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What is the subnet id of a host with an IP address 172.16.66.0/21?

A. 172.16.36.0
B. 172.16.48.0
C. 172.16.64.0
D. 172.16.0.0

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The network address of 172.16.0.0/19 provides how many subnets and hosts?

A. 7 subnets, 30 hosts each
B. 8 subnets, 8,190 hosts each
C. 8 subnets, 2,046 hosts each
D. 7 subnets, 2,046 hosts each

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