Guide to Networking Essentials, 8th ed., ISBN 9780357118283
Chapter 5 Solutions-1
Chapter 5 Solutions
Review Questions
1. An IPv6 address is made up of how many bits?
a. 32
c. 64
e. 256
2. Which Application-layer protocol provides remote access to a Windows computer via a GUI?
a. Telnet
c. SSH
3. If a protocol is routable, at which TCP/IP layer does it operate?
a. Network access
c. Transport
4. Which Application-layer protocol is used to monitor and manage network devices, and what
Transport-layer protocol does it use?
a. SMTP, UDP
c. SMTP, TCP
5. Which TCP/IP model layer takes a large chunk of data from the Application layer and breaks
it into smaller segments?
a. Network access
b. Internetwork
Guide to Networking Essentials, 8th ed., ISBN 9780357118283
Chapter 5 Solutions-2
6. Which of the following protocols resolves logical addresses to physical addresses?
a. DHCP
c. IP
d. DNS
7. Which of the following protocols provides connectionless service? (Choose all that apply.)
c. TCP
d. HTTP
8. If you want to design an Application-layer protocol that provides fast, efficient
communication and doesn’t work with large amounts of data, what Transport-layer protocol
would you design it to use?
a. IP
c. TCP
9. Which of the following is the term for identifying packets used by TCP to establish a
connection?
b. Multiwindow agreement
d. Sequencing establishment
10. What element of a DHCP server uses the client MAC address to ensure that the client is
leased the same address each time it requests an IP address?
a. IP address scope
b. Address exclusion
Guide to Networking Essentials, 8th ed., ISBN 9780357118283
Chapter 5 Solutions-3
11. Which of the following is the first packet sent when a computer wants to lease a new IP
address?
a. DHCPAck
d. DHCPOffer
12. Which of the following IPv6 features is an enhancement to IPv4? (Choose all that apply.)
b. Works at the Internetwork and Transport layers
d. Connectionless communication
13. Which protocol can configure a computer’s IP address and subnet mask automatically?
a. TCP
c. ARP
d. DNS
14. What type of packets are transmitted between a DHCP client and server when a client is
initially leasing an IP address?
b. Multicast
d. Anycast
15. Which of the following accurately describes the .edu in the FQDN www.yc.edu?
a. Fully qualified domain name
c. Root domain
16. What’s another name for a DNS client?
b. Reservation
c. DDNS
17. What type of resource record is an alias for another record?
b. AAAA
d. PTR
18. When a Windows computer is configured to use DHCP but no DHCP server is available,
what type of address is configured automatically for it?
a. PAT
c. NAT
19. Where does a DNS server look when it can’t resolve a query from its zone records or cache?
b. Alternate server
c. Top-level domain
20. What does the Transport layer use to identify source and destination Application-layer
protocols?
b. TCP address
d. Root hints
21. Which of the following Application-layer protocols typically uses the UDP Transport-layer
protocol? (Choose all that apply.)
a. HTTP
Guide to Networking Essentials, 8th ed., ISBN 9780357118283
Chapter 5 Solutions-5
d. FTP
22. Which is the correct order of headers, from left to right, in a completed frame?
a. Frame, TCP, IP
b. UDP, frame, IP
23. Which of the following is a task performed by the Network access layer? (Choose all that
apply.)
b. Defines and verifies IP addresses
d. Resolves MAC addresses by using IP addresses
e. Delivers packets efficiently
24. What field of the IP header does the tracert program use to get the IP address of routers in
the path?
a. Version
d. Protocol
25. Which of the following is not found in a connectionless Transport-layer protocol? (Choose all
that apply.)
b. Port numbers
c. Checksum
Guide to Networking Essentials, 8th ed., ISBN 9780357118283
Chapter 5 Solutions-6
Hands-On Projects
Hands-On Project 5-1
Step 4:
• NIC displayed in the “Connect using” text box: Network access layer
• Client for Microsoft Networks: Application layer
Hands-On Project 5-2
Step 6: Network access layer
Step 7: Internetwork layer
Hands-On Project 5-7
Step 6: Students should state that the new entries are the MAC address of the default gateway and
Hands-On Project 5-9
Challenge Labs
Challenge Lab 5-1
• Find the three-way handshake that immediately precedes the first HTTP packet. Which
• Find the following fields in the Transport-layer header of the first and/or third packets in the
three-way handshake. Research their meanings, and then write down their values along with
brief descriptions of each:
Guide to Networking Essentials, 8th ed., ISBN 9780357118283
Chapter 5 Solutions-7
• How are the sequence number and acknowledgment used to make this protocol reliable?
Challenge Lab 5-2
• Find the four packets involved in the DHCP lease. In the Info column of Wireshark, what’s
• Find the following fields in the Transport-layer header of the first packet in the DHCP lease,
and write down their values:
• What’s the Internetwork-layer source address and destination address in the two packets sent
Case Projects
Case Project 5-1
Students should write an e-mail to the employee explaining that she should open a command
Case Project 5-2
Students should say they need to configure DHCP on one of the servers. The DHCP server should