Networking Devices

Question 1

The pool of Avail IP addresses that can be dynamically dispersed to host

Answer 1

DHCP scope

Question 2

IP address management(IPAM)

Answer 2

Monitors and reports IP address shortages

Question 3

DHCP lease is

Answer 3

The time that is allotted for a host device to use an IP address.

Question 4

DHCP Reservation is

Answer 4

Permanent IP address assigned from DHCP server.

Question 5

DHCP Options include

Answer 5

Default Gateway, DNS

Question 6

A service that captures a BOOTP or DHCP broadcast and forwards it through the router as a unicast to another subnets DHCP server is a____

Answer 6

DHCP relay agent.

Question 7

Server that resolves IP to domain names?

Answer 7

DNS

Question 8

what is a hostname?

Answer 8

Name of a device that has a specific IP

Question 9

FQDN consists of ____ & a____

Answer 9

Hostname, Domain name

Question 10

The process of finding the IP address for a given hostname is called

Answer 10

Name resolution

Question 11

A

Answer 11

Ipv4

Question 12

AAAA

Answer 12

IPv6

Question 13

PTR does what

Answer 13

resolves IP address into hostnames used for MAC retrieval

Question 14

MX record is called

Answer 14

Mail exchanger

Question 15

_____Allows hosts to have more then one name. Can only be created manually

Answer 15

CNAME(Canonical name)

Question 16

____ is a resource used to identify computers that host specific services

Answer 16

SRV record

Question 17

___ is used to delegate a sub domain to a set of name servers

Answer 17

NS record

Question 18

____ is a method of fighting spam

Answer 18

Sender policy framework (SPF)

Question 19

What is an email method designed to detect email spoofing?

Answer 19

Domain keys identified mail (DKIM)

Question 20

Automatic DNS

Answer 20

Dynamic DNS

Question 21

TxT record with DNS does

Answer 21

Provides the ability to associate arbitrary text with a host or other name

Question 22

___ is a type of server that handles client-machine requests by fowarding them onto other servers while allowing granular control over the traffic between the local LAN and the Internet

Answer 22

Proxy Server

Question 23

_____ are used to provide tunneling services to individual users through common subscriber lines

Answer 23

Access VPNs

Question 24

Intranet VPNs are used to

Answer 24

Connect different sections of a cooperate network

Question 25

Extranet VPNs are used to

Answer 25

Connect networks that belong to different companies for the purpose of resource sharing.

Question 26

__ are just a form of VPNs that operate through a web browser

Answer 26

SSL VPNs

Question 27

What is port forwarding?

Answer 27

Enables permanent translation entry that maps a protocol port on a gateway to an IP address and protocol on a private LAN.

Question 28

What is a subset of dynamic NAT that maps either one or more unregistered addresses to a single registered address using multiple ports?

Answer 28

PAT

Question 29

Authortive Name Servers(ANSs) differ from DNS how?

Answer 29

They possess an actual copy of the records for a zone rather then caching a lookup.