IS3120 CHAPTER 5

Question 1

The process of finding an IP address for a host name

Answer 1

Address resolution

Question 2

Sending a packet to a complete range of IP addresses

Answer 2

Broadcasting

Question 3

The original addressing architecture used for the Internet

Answer 3

Classful network

Question 4

A strategy that allows IANA to segment any IPv4 address space to define larger or smaller networks as needed.

Answer 4

Classless Inter-Domain Routing (CIDR)

Question 5

A communication protocol that sets up a connection with the remote node before exchanging messages with it. Both participants in the conversation use the same connection for the duration of the conversation.

Answer 5

Connection-oriented protocol

Question 6

A communication protocol that does not require a redefined connection and treats each packet as a separate entity.

Answer 6

Connectionless protocol

Question 7

Layer 3 protocol units of data sent to a destination node, also called network packets.

Answer 7

Datagrams

Question 8

A hierarchical naming system that allows organizations to associate host names with IP address name spaces.

Answer 8

Domain Name System (DNS)

Question 9

Standard notation for IPv4 addresses.

Answer 9

Dot notation

Question 10

A network software implementation in which the operating system supports both IPv4 and IPv6 using two separate network stacks for the Internet Protocol

Answer 10

Dual IP stack

Question 11

The process of adding the IP header data to a network packet.

Answer 11

Encapsulation

Question 12

Process in which IP software chops packets into smaller packets, allowing computers to send large packets acres a network that can only handle smaller packets.

Answer 12

Fragmentation

Question 13

A mode of operation in which both ends of a connection between computers can communicate simultaneously

Answer 13

Full duplex

Question 14

A mode of operation in which both ends of a connection between computers can communicate, but only one at a time.

Answer 14

Half duplex

Question 15

A collection of standards that define the Data Link Layer protocol for accessing wired Ethernet

Answer 15

IEEE 802.3

Question 16

The organization responsible for coordinating IP addresses and resources around the world.

Answer 16

Internet Assigned Numbers Authority (IANI)

Question 17

A global volunteer organization that develops and promotes Internet standards

Answer 17

Internet Engineering Task Force (IETF)

Question 18

Protocol used by IPv6 networks to provide a similar service as ARP

Answer 18

Neighbor Discovery Protocol (NDP)

Question 19

.The process of replacing a private IP address with a public IP address, or vice versa

Answer 19

Network Address Translation (NAT)

Question 20

A set of rules that define a particular aspect of communication.

Answer 20

Protocol

Question 21

A mode operation for communication between computers in which only the source can send data to the destination, and the destination cannot respond.

Answer 21

Simplex

Question 22

A binary number that contains all 1’s in the leftmost prefix length positions, and all other bits are 0’s

Answer 22

Subnet mask

Question 23

A descriptive framework for computer network protocols, ceased by the US department of Defense in the 1970’s.

Answer 23

Transmission Control Protocol/Internet Protocol (TCP/IP) Reference model

Question 24

IPv6 addresses that specify a unique device

Answer 24

Unicast addresses

Question 25

A strategy to allow IPv4 networks to be fragmented into any size subnetwork.

Answer 25

Variable Length Subnet Masking (VLSM)

Question 26

1. The OSI Reference Model is also called the TCP/IP Reference Model. TRUE OR FALSE

Answer 26

FALSE

Question 27

2. Which OSI Reference Model layer includes the HTTP and DHCP protocols? 1. Application 2. Presentation 3. Session 4. Transport

Answer 27

Application

Question 28

3. Which OSI Reference Model layer is primarily responsible for setting ups, managing, and terminating connections between applications? 1. Application 2. Presentation 3. Session 4. Transport

Answer 28

Session

Question 29

4. which of the following OSI Reference Model Transport Layer protocols is a connectionless protocol often used to send simple broadcast messages? 1. TCP 2. UDP 3. IP 4. PPTP

Answer 29

UDP

Question 30

5. The Internet Protocol (IP) operates an OSI Layer ___.

Answer 30

Network Layer

Question 31

6. What is the address size of IPv6 addresses? 1. 32 bits 2. 64 bits 3. 128 bits 4. 256 bits

Answer 31

128 bits

Question 32

7. The OSI Model Data Link and Physical Layers correspond to the TCP/IP Model ___ Layer.

Answer 32

Network Address

Question 33

8. What does the TTL value in an IP header contain? 1. Time to Live 2. Transport Translation Layer 3. Transport Time Layer 4. Transport Time Left

Answer 33

Time to Live

Question 34

9. Which class of IP network allows the fewest number of nodes in each network? 1. Class A 2. Class B 3. Class C 4. Class D

Answer 34

Class C

Question 35

10. Which of the following IPv4 addresses is routable (public)? 1. 172.16.0.16 2. 10.0.255.255 3. 192.168.250.16 4. 172.8.0.16

Answer 35

172.8.0.16

Question 36

11. Which of the following addresses are valid IPv6 addresses? (Select two) 1. 2002::206::a80c:52b 2. 2002::0::0::0::0206::0:a80c:052b 3. 2002::206:0::a80c:52b 4. 2002:0:206:0:a80c:52b

Answer 36

2002: :0::0::0::0206::0:a80c:052b 2002: :206:0::a80c:52b

Question 37

12. Which OSI Layer 3 Protocol is used to find a MAC address from an IPv6 network address? 1. ARP 2. NDP 3. SNMP 4. ICMP

Answer 37

NDP

Question 38

13. Which OSI Layer r protocol sets up a connection before allowing hosts to communicate? 1. HTTP 2. TCP 3. UDP 4. IP

Answer 38

TCP

Question 39

14. The TCP/IP Model Network Access Layer corresponds to which two OSI model layers? 1. Data Link 2. Network 3. Transport 4. Physical

Answer 39

Data Link | Physical

Question 40

15. In the TCP/IP Reference Model, the Application Layer logically communicates with which layer on the destination host? 1. Network Access 2. Internet 3. Transport 4. Application

Answer 40

Application