ICND1 Section 1- Data Network Basics

Question 1

What does DCE stand for?

Answer 1

Data Communication Equipment

Question 2

What are the 4 general categories or metrics of QoS?

Answer 2

1. Bandwidth
2. Delay
3. Jitter
4. Loss

Question 3

What does HDLC stand for?

Answer 3

High-level Data Link Control

Question 4

What are 2 names for a TCP packet?

Answer 4

PDU or segment

Question 5

What are the first 3 exchanges in setting up a TCP connection?

Answer 5

Syn
Syn Ack
Ack

Question 6

What are the 4 steps to closing a TCP session?

Answer 6

Fin (closer)
Ack (peer)
Fin (peer)
Ack (closer)

Question 7

What does UDP stand for?

Answer 7

User Datagram Protocol

Question 8

What is the port numbers and protocol for DHCP?

Answer 8

67,68

UDP

Question 9

What is the ethertype for IPv6

Answer 9

0x86DD

Question 10

What is a DCE cable used to connect?

Answer 10

With a DTE cable, used to connect two router serial ports back to back

Question 11

What is the port number for SNMP?

Answer 11

161

Question 12

What are the reserved section of the Class A space?

Answer 12

0/8 and 127/8

Question 13

What pins are flipped on a crossover cable?

Answer 13

1 and 2 to 3 and 6

4 and 5 to 7 and 8