Week 3

Question 1

Addresses in TCP/IP?

Answer 1

1. Physical address
2. IP address
3. Port address

Question 2

Mac addresses are split in two?

Answer 2

bagian pertama: OUI

bagian kedua: Vendor assigned

Question 3

what is IP Address?

Answer 3

a logical address used in TCP/IP networking for indentifying a host in the network

Question 4

IP Address characteristics?

Answer 4

an IP address is 32 bits in size, unique, grouped into four 8-bit octets seperated by decimal points

Question 5

ICANN (Internet Corporation for Assigned Names & Numbers)

Answer 5

• central authority on Internet addresses and names

- a group of IP address must be obtained via an ISP

Question 6

Classful Addresses?

Answer 6

Class A: 
0.0.0.0 to 127.255.255.255
Netid: 0.
Hostid: 0.0.0
to
Netid: 127.
Hostid: 255.255.255

Class B:
128.0.0.0 to 191.255.255.255
Netid: 128.0.
Hostid: 0.0
to
Netid: 191.255.
Hostid: 255.255

Class C:
192.0.0.0 to 223.255.255.255
Netid: 192.0.0.
Hostid: 0
to
Netid: 191.255.
Hostid: 255

Class D:
224.0.0.0 to 239.255.255.255

Class E: 240.0.0.0 to 255.255.255.255

Question 7

Subnetting is?

Answer 7

subnetting adalah pembagian suatu kelompok alamat IP menjadi beberapa network ID lain dengan jumlah host yang lebih kecil atau yang disebut subnet.

Question 8

A subnetted address is comprised of 3 parts?

Answer 8

1. Network address
2. Subnet address
3. Host address

Question 9

IP ending in “1” always reserved for?

Answer 9

gateways address

Question 10

Options for DHCP?

Answer 10

1. DHCPDISCOVER
2. DHCPOFFER
3. DHCPREQUEST
4. DHCPDECLINE
5. DHCPACK
6. DHCPNACK
7. DHCPRELEASE

Question 11

Constant-length subnet masking (CLSM)

Answer 11

1. each subnet includes the same number of stations

2. simple division of the address space by subnetting into multiple equal segments

Question 12

Variable-length subnet masking (VLSM)

Answer 12

1. A single address is subdivided into multiple subnets

2. each subnets need not all be the same size

Question 13

Classless Inter-Domain Routing (CIDR) is?

Answer 13

slash notation.

A.B.C.D/n where n is either 8 (Class A), 16 (Class B) or 24 (Class C)

Question 14

Private IP Addesses

Answer 14

Class A:
• 10.0.0.0 - 10.255.255.255
• Networks: 1
Total Private Hosts: 16,777,214

Class B:
• 172.16.0.0 - 172.31.255.255
• Networks: 16
Total Private Hosts: 1,048,544

Class C:
• 192.168.0.0 - 192.168.255.255
• Networks: 256
Total Private Hosts: 65,024