Network Protocols And Routing

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Questions Bank

Introduction to Networking
Network Infrastructure and Documentation
Addressing on Networks
Network Protocols and Routing
Network Cabling
Wireless Networking
Virtualization and Cloud Computing
Subnets and VLANs
Network Risk Management
Security in Network Design
Network Performance and Recovery
Wide Area Networks

All Questions

Question 1

Free

True/False

UDP provides error checking, but not sequencing.

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True

False

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Question 2

Free

True/False

IP is an unreliable, connectionless protocol, as it does not establish a session to send its packets.

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True

False

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Question 3

Free

True/False

IPv4 and IPv6 use the same packet format.

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True

False

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Question 4

Free

True/False

TCP uses a four-step process called a four-way handshake to establish a TCP connection.

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True

False

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Question 5

Free

True/False

The cost of upgrading infrastructure has been a major factor in the slow adoption of IPv6.

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True

False

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Question 6

True/False

In general, a Layer 3 or Layer 4 switch is still optimized for fast Layer 2 data handling.

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True

False

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Question 7

True/False

Routing Information Protocol (RIP) is an interior gateway protocol that uses a link-state algorithm.

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True

False

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Question 8

True/False

The Border Gateway Protocol is considered to be a hybrid routing protocol.

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True

False

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Question 9

True/False

The pathping utility sends 10 pings per hop by default.

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True

False

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Question 10

True/False

The CTRL + S key combination can be used to stop an actively running command.

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True

False

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Question 11

Multiple Choice

What is NOT one of the three characteristics of TCP in its role as a reliable delivery protocol?

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Connection-oriented Protocol

Sequencing and checksums

Framing

Flow Control

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Question 12

Multiple Choice

What field in an IPv4 packet informs routers the level of precedence they should apply when processing an incoming packet?

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Differentiated Services (DiffServ)

Internet header length (IHL)

Time to Live (TTL)

Padding

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Question 13

Multiple Choice

What command will list only current connections, including IP addresses and port numbers?

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show ip stats

netstat -n

netstat -s

portstat

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Question 14

Multiple Choice

What utility is the equivalent to the pathping command on a Linux system?

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mtr

tracepath

traceroute

hping

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Question 15

Multiple Choice

Which statement regarding the Border Gateway Protocol (BGP) is accurate?

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BGP is limited to a single autonomous system.

BGP is exclusively a distance-vector protocol.

BGP utilizes TCP for communicating updates.

BGP is a more advanced version of OSPF.

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Question 16

Multiple Choice

In a TCP segment, what field indicates how many bytes the sender can issue to a receiver before acknowledgment is received?

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urgent pointer

sliding-window

URG flag

PSH flag

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Question 17

Multiple Choice

Which of the following is not a task handled by a router?

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A router forwards broadcasts over the network.

A router can reroute traffic if the path of first choice is down but a second path is available.

A router can interpret Layer 3 and often Layer 4 addressing.

A router can connect dissimilar networks.

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Question 18

Multiple Choice

The IP connectionless protocol relies on what other protocol to guarantee delivery of data?

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UDP

ICMP

TCP

ARP

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Question 19

Multiple Choice

You are connected to your network's Cisco router, and need to verify the route table. What command should you enter?

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route print

show ip route

route -a

show route-table

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Question 20

Multiple Choice

Which traceroute command will perform a trace using ICMP echo requests instead of UDP datagrams to the host srv1.mycompany.com?

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traceroute -i srv1.mycompany.com

traceroute -w srv1.mycompany.com

traceroute -o ICMP srv1.mycompany.com

traceroute -I srv1.mycompany.com

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