1.1

1. You have been called in to troubleshoot a client’s computer, which is unable to connect to the

local area network. What command would you use to check the configuration? What information

would you look for?

I will use ipconfig command and look to the IP addresses to making sure that the network part in

the IP addressees are same

 

2. You have been called in to troubleshoot a client’s computer, which is able to connect to the

local area network but unable to connect to any other network. What command would you use to

check the configuration? What information would you look for?

 

 

 

3. If you needed to obtain a user’s MAC address as well as the user’s network configuration

information, what command and switch would you enter?

 

4. To use the Windows GUI utility to adjust IP settings, including DNS and gateway

information, what steps would you take?

 

5. You have just pinged a remote computer. You would now like to retrieve the MAC address of

the remote computer locally. How would you obtain the remote computer’s MAC address?

 

6. You are about to run some network traffic analysis tests. You need to clear your ARP cache.

How would you go about performing this task (for Windows and Linux)?

 

7. What information does ping return to the user?

 

8. How does a computer ensure that the replies it gets from an ARP broadcast are correct?

 

Lab 1.1 Key Terms Quiz

Use these key terms from the labs to complete the sentences that follow:

 

 

 

 

Address Resolution Protocol (ARP) – ARP cache – cat – Domain Name System (DNS) -Dynamic

Host Configuration Protocol (DHCP) – Gateway- host address – ifconfig – Internet Control

Message Protocol (ICMP) – Internet Protocol (IP) – Ipconfig- Media Access Control (MAC)

address – network address – ping (Packet Internet Groper) – resolv.conf – subnet mask time to

live (TTL)- Transmission Control Protocol/Internet Protocol (TCP/IP)

1. The letters IP stand for ____________.

2. The ____________________ is the physical address of your network interface card that was

assigned by the company that made the card.

3. ipconfig /renew will renew an IP address obtained from the ____________________ server.

4. The four items needed to connect a machine to the Internet are the ____________________

address, the ____________________ address, the ____________________, and the

____________________ address.

5. The ____________________ is used to separate the host address and network address from

an IP address.

6. ____________________ is the file that contains DNS server addresses in Linux.

7. The ____________________ command is used to display the contents of text files in Linux.

8. The command used in this lab to test network connectivity is ____________________.

 

1.2

1. The following questions apply to the lab in this section:You are the administrator of a large

network.You would like to make a change that allows users to type one word into their

web browsers to access a web site. For example, instead of typing , users could just type .

how is this accomplished for the example given?

2. What is the sequence in which domain names are resolved on a Windows machine?

3. Entering the command will provide you with what information about the IP address?

 

 

1.2 Key Terms Quiz

Use these key terms from the lab to complete the sentences that follow:

127.0.0.1- DNS cache – Domain Name System (DNS) – fully qualified domain name (FQDN)

– hosts file
- IP addresses
- localhost address -loopback address
- nslookup
- ping localhost

1. The command used in this lab to test and query DNS servers is called ____________________.

2. You can type ____________________ to test whether a network card and TCP/IP are working on the local machine.

3. The letters FQDN stand for ____________________ ____________________ ____________________ ____________________.

4. Entering will provide you with all the ____________________ associated with that FQDN.

5. The ____________________ is a small space in memory that will maintain resolved names for a period of time.

6. What file maps computer names to IP addresses? ____________________

1.3

 

1. The following questions apply to the lab in this section:What are the different types of IPv6

traffic captured in Wireshark?

2. Using Wireshark, describe the differences between IPv4 and IPv6 packets observed in this lab.

 

 

 

 

 

1.3 Key Terms Quiz

Use these key terms from the lab to complete the sentences that follow:

anycast address – global unicast addresses – ICMPv6 – link-local unicast addresses- multicast

addresses – Neighbor Discovery (ND) – Neighbor Solicitation (NS)

1. The protocol used for Neighbor Discovery (ND) is ____________________. 
 2. ARP is replaced in IPv6 by ____________________ transmitted using 
____________________.

3. IPv6 addresses that begin with FE80 represent ____________________.

4. In IPv6, broadcast messages are accomplished using ____________________.