I need help with some networking questions.

1. What process adds a header in front of a TCP segment?

a. data link

b. application

c. internet

2. When a frame arrives, the data link process on the destination host ________.

a. adds header

b. neither adds nor removes header

c. removes header

3. To deliver IPv4 packets, routers look at the ________ addresses.

a. eui-48

b. ipv4

c. dotted decimal notation

4. Paths across a single network are called ______.

a. routes

b. none

c. data links

5. If there are 10 routers between the source and destination hosts, how may internet processes will be involved on all devices?

a. 1

b. 12

c. 2

6. Which standards layer governs peer-to-peer file sharing?

a. data link

b. none

c. internet

7. If two hosts are connected by five networks, how many routers will there be when one host sends a packet to the other host?

a. 1

b. 2

c. 4

8. If two hosts are connected by five point-to-point networks, how physical links will there be when one host sends a packet to the other host?

a. 2

b. 6

c. 1

9. SYN segments have ________.

a. data fields only

b. headers

c. headers and data fields

10. Ethernet has a Frame Check Sequence Field to check for errors. Ethernet is ________.

a. neither relable nor unreliable

b. unreliable

c. both reliable and unreliable

11. If you have 10 sites connected by 7 transmission links, how many rows of traffic data will you have in your traffic table?

a. 14

b. 10

c. 20

12. If you have 10 sites connected by 7 transmission links, how many columns will you have in your traffic table?

a. 7

b. 20

c. 14

13. Creating routing tables is an example of ________.

a. hardwiring

b. forwarding

c. control

14. Forwarding functions are located in routers in ________.

a. neither traditional operation nor SDN

b. SDN

c. traditional operation

15. Communication between SDN controllers and routers is governed by ________.

a. southbound APIs

b. both north and southbound APIs

c. neither north nor southbound APIs