Questions

The following is a short list of review questions to help reinforce your learning and help you identify areas that require some improvement. The answers to the questions can be found in the Assessments section at the end of this book:

1. Which layer of the TCP/IP suite is responsible for IP addressing?

   A. LLC

   B. Network

   C. Internet

   D. Data link

2. Which protocol establishes a session before sending messages to a destination?

   A. ICMP

   B. TCP

   C. UDP

   D. ARP

3. When a device does not know the MAC address of the destination host and wants to send a message, what does the source device do?

   A. Sends a TCP message

   B. Sends a ping message

   C. Sends an ICMP request

   D. Sends an ARP request

4. Which command on a Cisco router allows you to view the MAC address of a specific interface?

   A. show interface

   B. show running-config

   C. show version

   D. show startup-config

5. Which of the following protocols does not operate at the application layer?

   A. HTTPS

   B. TCP

   C. HTTP

   D. SSH

6. Which of the following protocols is associated with the service port 53?

   A. DHCP

   B. SMTP

   C. HTTP

   D. DNS

7. Which command can be used to verify the MAC address on a Windows system?

   A. ifconfig

   B. ipconfig

   C. ipconfig /all

   D. ifconfig /all