Terms

Question 1

finds a host’s hardware address (also known as MAC (Media Access Control) address) based on its known IP address.

Answer 1

ARP

Question 2

The host name to IP address translation service.

Answer 2

DNS

Question 3

An application layer protocol that uses UDP port numbers 161/162. Also used to monitor networks, detect network errors, and sometimes configure remote devices.

Answer 3

SNMP (Simple Network Management Protocol)

Question 4

A method for securely sending commands to a computer over an unsecured network.
Uses cryptography to authenticate and encrypt connections between devices.

Answer 4

SSH (Secure Shell)

Question 5

A cross-platform screen sharing system that was created to remotely control another computer.

Answer 5

VNC (Virtual Network Computing)

Question 6

Used for reporting errors and management queries.

Answer 6

Internet Control Message Protocol (ICMP)

Question 7

the process of translating one or more local IP addresses into one or more global IP addresses, or vice versa, in order to provide Internet access to local hosts.

Answer 7

Network Address Translation (NAT)

Question 8

A data link layer (layer 2) communication protocol between two routers directly without any host or any other networking in between

Answer 8

Point-to-Point Protocol (PPP)

Question 9

A dynamic routing protocol that uses hop count as a routing metric to find the best path between source and destination networks.

Answer 9

Routing Information Protocol (RIP)

Question 10

A link-state routing protocol used to find the best path between a source and destination router using its own shortest path first).

Answer 10

Open Shortest Path First (OSPF)

Question 11

A dynamic routing protocol used to find the best path and deliver packets between any two Layer 3 devices.

Answer 11

Enhanced Interior Gateway Routing Protocol (EIGRP)

Question 12

A protocol used to exchange Internet routing information and is used between ISPs in different ASes.

Answer 12

Border Gateway Protocol (BGP)

Question 13

Used to create a loop-free network by monitoring the network, tracking all connections, and shutting down the least redundant connections.

Answer 13

Spanning Tree Protocol (STP)

Question 14

Protocol used by client computers to request IP addresses from a gateway server’s Address Resolution Protocol table or cache.

Answer 14

RARP (Reverse Address Resolution Protocol)

Question 15

Astandard suite of Internet Engineering Task Force (IETF) protocols between two communication points on IP networks to provide data authentication, integrity, and confidentiality. It also defines encrypted, decrypted, and authenticated packets.

Answer 15

IP Security (IPSec)

Question 16

The standard character encoding used in telecommunications. The ASCII representation “ask-ee” is strictly a 7-bit code based on the English alphabet.

Answer 16

ASCII (American Standard Code for Information Interchange)

Question 17

Was a simplex protocol that utilized two port numbers, establishing two connections, for two-way communications. An odd and an even port were reserved for each application layer application or protocol.

Answer 17

Network Control Protocol (NCP

Question 18

A technology that allows you to make voice calls over a broadband Internet connection instead of an analog (regular) phone line.

Answer 18

Voice over Internet Protocol (VoIP)

Question 19

An internet protocol that works on TCP/IP, used to access information from directories. LDAP protocol is basically used to access an active directory.

Answer 19

Lightweight Directory Access Protocol (LDAP)

Question 20

Underlying protocol of UseNet, which is a worldwide discussion system which contains posts or articles which are known as news.

Answer 20

Network News Transfer Protocol (NNTP)

Question 21

A measurement in bytes of the largest data packets that an Internet-connected device can accept.

Answer 21

MTU (Maximum Transmission Unit)

Question 22

A type of network address translation (NAT) that maps a network’s private internal IPv4 addresses to a single public IP address.

Answer 22

PAT (Port Address Translation

Question 23

Synchronization of system clocks (from desktops to servers).

Answer 23

NTP (Network Time Protocol)

Question 24

A time-maintenance application that you can use to synchronize hardware in a network.

Answer 24

SNTP (Simple Network Time Protocol)

Question 25

Enables a group of networked devices to share the same IP address and receive the same messages

Answer 25

IGMP (Internet Group Management Protocol)

Question 26

A means of planning, tracking, and managing the Internet Protocol address space used in a network

Answer 26

IPAM (IP Address Management)