H4

Question 1

Explain CAT3 CAT5 CAT6

Answer 1

Unshielded Untwisted
Unshielded Twisted
Shielded Twisted

Question 2

Types of plugs

Answer 2

Straight-Through: Both ends the same. Host-Switch
Crossover: Different ends. Switch-Switch
Rollover: Serial

Question 3

Logical Link Control Layer

Answer 3

Places info in frame and identifies QoS
Allows Multiple L3 to use same media
Driver of NIC

Question 4

Media Access Control Layer

Answer 4

Encapsulation

Responsible for delivering between NIC’s

Question 5

What is the source MAC

Answer 5

Always the MAC of the sending NIC

Question 6

MAC Address

Answer 6

48 bits, 6 bytes, 12 hexa numbers, OUI + ID

Question 7

Multicast MAC

Answer 7

Begins with 01-00-E5, FF00::/8

Question 8

Multicast IP range

Answer 8

224.0.0.0 - 239.255.255.255

Question 9

Name 3 WAN Topologies

Answer 9

Point-to-Point: One to one
Hub and spoke: all to one
Mesh: all to all mix

Question 10

Name 4 LAN Topologies

Answer 10

Star: all to one
Extended star: Center of both stars connected
Bus: all on one line between routers
Ring: all are on a ring shaped cable

Question 11

What is a hybrid topology

Answer 11

Using multiple topologies at the same time

Question 12

What is Manchester encoding

Answer 12

High to low = 1

Low to high = 0

Question 13

How many bits is a hexa number

Answer 13

4