Online Quiz MCQs

14 MCQs — Computer Networks MCQs (Page 1 of 2)

Practice Online Quiz 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

An OSPF router receives an LSA. The router checks its sequence number and finds that this number is higher than the sequence number it already has. Which two tasks does the router perform with the LSA?

A. Ignores the lsa
B. Adds it to the database
C. Sends newer lsu update to source router
D. Floods the lsa to the other routers

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An OSPF router receives an LSA. The router checks its sequence number and finds that this number is lower than the sequence number it already has. What does the router do with the LSA?

A. Ignores the lsa
B. Adds it to the database
C. Sends newer lsu update to source router
D. Floods the lsa to the other routers

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Each LSA has its own age timer. By default, how long does an LSA wait before requiring an update?

A. 30 seconds
B. 1 minute
C. 30 minutes
D. 1 hour

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Distance vector protocols use the concept of split horizon, but link-state routing protocols, such as OSPF, do not.

A. True
B. False
C.
D.

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The outcome of Dijkstra’s calculation is used to populate the __________

A. Topology table
B. Routing table
C. Neighbor table
D. Adjacency table

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What is the IP protocol number for OSPF packets?