11. Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101?
A. 155, 0x9B
B. 157, 0x9D
C. 159, 0x9F
D. 185, 0xB9
12. Which statements are true regarding ICMP packets?
1. They acknowledge receipt of a TCP segment.
2. They guarantee datagram delivery.
3. They can provide hosts with information about network problems.
4. They are encapsulated within IP datagrams.
A. 1 only
B. 2 and 3
C. 3 and 4
D. 2, 3 and 4
13. Which of the following are layers in the TCP/IP model?
1. Application
2. Session
3. Transport
4. Internet
5. Data Link
6. Physical
A. 1 and 2
B. 1, 3 and 4
C. 2, 3 and 5
D. 3, 4 and 5
14. Which layer 4 protocol is used for a Telnet connection?
A. IP
B. TCP
C. TCP/IP
D. UDP
15. Which statements are true regarding ICMP packets?
1. ICMP guarantees datagram delivery.
2. ICMP can provide hosts with information about network problems.
3. ICMP is encapsulated within IP datagrams.
4. ICMP is encapsulated within UDP datagrams.
A. 1 only
B. 2 and 3
C. 1 and 4
D. All of the above