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- Question
What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?
Options- A. Application
- B. Host-to-Host
- C. Internet
- D. Network Access
- Correct Answer
- Host-to-Host
ExplanationThe four layers of the TCP/IP stack (also called the DoD model) are Application/Process, Host-to-Host, Internet, and Network Access. The Host-to-Host layer is equivalent to the Transport layer of the OSI model. - 1. Which layer 4 protocol is used for a Telnet connection?
Options- A. IP
- B. TCP
- C. TCP/IP
- D. UDP Discuss
- 2. Which of the following services use UDP?
- DHCP
- SMTP
- SNMP
- FTP
- HTTP
- TFTP
Options- A. 1, 3 and 6
- B. 2 and 4
- C. 1, 2 and 4
- D. All of the above Discuss
- 3. Which statements are true regarding ICMP packets?
- They acknowledge receipt of a TCP segment.
- They guarantee datagram delivery.
- They can provide hosts with information about network problems.
- They are encapsulated within IP datagrams.
Options- A. 1 only
- B. 2 and 3
- C. 3 and 4
- D. 2, 3 and 4 Discuss
- 4. Which of the following is private IP address?
Options- A. 12.0.0.1
- B. 168.172.19.39
- C. 172.15.14.36
- D. 192.168.24.43 Discuss
- 5. Which of the following services use TCP?
- DHCP
- SMTP
- HTTP
- TFTP
- FTP
Options- A. 1 and 2
- B. 2, 3 and 5
- C. 1, 2 and 4
- D. 1, 3 and 4 Discuss
- 6. Which of the following are TCP/IP protocols used at the Application layer of the OSI model?
- IP
- TCP
- Telnet
- FTP
- TFTP
Options- A. 1 and 3
- B. 1, 3 and 5
- C. 3, 4 and 5
- D. All of the above Discuss
- 7. You want to implement a mechanism that automates the IP configuration, including IP address, subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this?
Options- A. SMTP
- B. SNMP
- C. DHCP
- D. ARP Discuss
- 8. If you use either Telnet or FTP, which is the highest layer you are using to transmit data?
Options- A. Application
- B. Presentation
- C. Session
- D. Transport Discuss
- 9. Which statements are true regarding ICMP packets?
- ICMP guarantees datagram delivery.
- ICMP can provide hosts with information about network problems.
- ICMP is encapsulated within IP datagrams.
- ICMP is encapsulated within UDP datagrams.
Options- A. 1 only
- B. 2 and 3
- C. 1 and 4
- D. All of the above Discuss
- 10. Which of the following allows a router to respond to an ARP request that is intended for a remote host?
Options- A. Gateway DP
- B. Reverse ARP (RARP)
- C. Proxy ARP
- D. Inverse ARP (IARP) Discuss
TCP/IP problems
Search Results
Correct Answer: TCP
Explanation:
Although Telnet does use TCP and IP (TCP/IP), the question specifically asks about layer 4, and IP works at layer 3. Telnet uses TCP at layer 4.
Correct Answer: 1, 3 and 6
Explanation:
DHCP, SNMP, and TFTP use UDP.
Correct Answer: 3 and 4
Explanation:
Internet Control Message Protocol (ICMP) is used to send error messages through the network, but they do not work alone. Every segment or ICMP payload must be encapsulated within an IP datagram (or packet).
Correct Answer: 192.168.24.43
Explanation:
Class A private address range is 10.0.0.0 through 10.255.255.255. Class B private address range is 172.16.0.0 through 172.31.255.255, and Class C private address range is 192.168.0.0 through 192.168.255.255.
Correct Answer: 2, 3 and 5
Explanation:
SMTP, HTTP and FTP use TCP.
Correct Answer: 3, 4 and 5
Explanation:
Telnet, File Transfer Protocol (FTP), and Trivial FTP (TFTP) are all Application layer protocols. IP is a Network layer protocol. Transmission Control Protocol (TCP) is a Transport layer protocol.
Correct Answer: DHCP
Explanation:
Dynamic Host Configuration Protocol (DHCP) is used to provide IP information to hosts on your network. DHCP can provide a lot of information, but the most common is IP address, subnet mask, default gateway, and DNS information.
Correct Answer: Application
Explanation:
Both FTP and Telnet use TCP at the Transport layer; however, they both are Application layer protocols, so the Application layer is the best answer.
Correct Answer: 2 and 3
Explanation:
ICMP is used for diagnostics and destination unreachable messages. ICMP is encapsulated within IP datagrams, and because it is used for diagnostics, it will provide hosts with information about network problems.
Correct Answer: Proxy ARP
Explanation:
Proxy ARP can help machines on a subnet reach remote subnets without configuring routing or a default gateway.
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