1. Which of the following are fields found in the IP header? (Select all that apply.) (A) Sequence number (B) Destination port (C) Source IP address (D) Type (E) Time to Live (F) SYN flag 2. Which of...

1. Which of the following are fields found in the IP header? (Select all that apply.) (A) Sequence number (B) Destination port (C) Source IP address (D) Type (E) Time to Live (F) SYN flag

2. Which of the following are considered application layer protocols? (A) TCP (B) IP (C) FTP (D) ICMP

3. Which transport layer protocol is responsible for reliable delivery? (A) UDP (B) ICMP (C) IP (D) TCP

4. What ICMP type is used by the echo reply message? (A) 0 (B) 3 (C) 5 (D) 8

5. The security administrator for your network has asked that you block ping messages from entering your network. What protocol would you block? (A) ICMP (B) IP (C) TCP (D) UDP