Chapter 1 - Networking Basics And Terminology

Question 1

Which feature of a network switch allows the network admin to capture network traffic when monitoring or troubleshooting the network?

Answer 1

Port Mirroring

Question 2

Your manager has been reading about hackers capturing network traffic in a switched network environment and has asked you to explain how it is possible that hackers can do this.

Answer 2

ARP Poisoning

MAC Flooding

Question 3

Your company has a web application that seems to be running slowly. What can be done to improve the performance of the application?

Answer 3

Install a Load Balancer

Question 4

Which of the following devices could be used to limit which web sites users on the network can visit?
A. Router
B. Load Balancer
C. Proxy Server
D. CAT 5e

Answer 4

C. Proxy Server

Question 5

Which TCP/IP protocol is used to convert the IP address to a MAC address?

Answer 5

ARP

Question 6

Which ICMP type is used to identify echo request messages?

Answer 6

8

Question 7

What are the stages of the three-way handshake?

Answer 7

SYN
SYN/ACK
ACK

Question 8

Which of the following represents ports used by secure TCP applications?
A. 23
B. 22
C. 80
D. 143
E. 443

Answer 8

B. 22

E. 443

Question 9

You are the network admin for a small company, and you wish to follow security best practices that relate to the switch. What should you do?

Answer 9

Disable unused ports.

Configure port security.

Enable console password.

Question 10

What popular feature of a switch allows you to create communication boundaries between systems connected to the switch?

Answer 10

VLANs