N10-007.8

Question 1

What type of DNS record resolves a host name to an IPv4 or IPv6 address?

Answer 1

A or host (IPv4)

AAAA (IPv6)

Question 2

What type of DNS record is used to resolve an IP address to a host name?

Answer 2

PTR (Pointer Record)

Question 3

A DHCP server issues a range of IP addresses. What is a range called in DHCP?

Answer 3

Scope

Question 4

What do you use to plug an fiber optic cable into an RJ-45 jack?

Answer 4

Media converter (or transceiver)

Question 5

What type of connector is used with an RG-6 cable?

Answer 5

F-connector

Question 6

What topology is used for SONET?

Answer 6

Ring

Question 7

Traffic Shaping

Answer 7

Traffic shaping is used to optimize or guarantee performance, improve latency, or increase usable bandwidth for some kinds of packets by delaying other kinds.

Question 8

802.11a

Answer 8

5 Ghz
Max Bandwidth: 20Mhz
Max Data Rate: 54 Mbps

Question 9

802.11b

Answer 9

2.4 Ghz
Max Bandwidth: 22 Mhz
Max Data Rate: 11 Mbps

Question 10

802.11g

Answer 10

2.4 Ghz
Max Bandwidth: 20 Mhz
Max Data Rate: 54 Mbps

Question 11

802.11n

Answer 11

2.4/5 Ghz
Max Bandwidth: 20/40 Mhz
Max Data Rate: 600 Mbps
MIMO
Channel Bonding

Question 12

802.11ac

Answer 12

5 Ghz
Max Bandwidth: 160 Mhz
Max Data Rate: 6,933 Mbps
MUMIMO
Channel Bonding

Question 13

SRV DNS records help with?

Answer 13

Service Discovery (I.E. SIP services)

Question 14

GBIC

Answer 14

Converts optical signals to electrical and vice versa
large form factor
Hot swappable
Data transfer of 1 Gbps

Question 15

SFP

Answer 15

Converts optical signals to electrical and vice versa
Small form factor
Data transfer of 1 Gbps
Modular

Question 16

SFP+ Data transfer rate

Answer 16

10 Gbps

Question 17

RG-6 is suitable for ____ distance runs while RG-59 is suitable for _____ distance runs.

Answer 17

RG-6: Long

RG-59: Short

Question 18

A bridge makes forwarding decisions in _____

Answer 18

Software

Question 19

Switches make forwarding decisions in _____

Answer 19

Hardware

Question 20

A switch sends out _______ which are on layer __ of the OSI model

Answer 20

frames, 2

Question 21

10BaseT

Answer 21

10 Mbps
100 meters
Require 2 pairs of cabling
Twisted Pair Cabling

Question 22

100BaseTX

Answer 22

100 Mbps
100 meters
2 pairs of cabling
Cat 5
Twisted Pair Cabling

Question 23

1000BaseLX

Answer 23

1 Gbps
5 km (max)
Fiber
SC, LC

Question 24

1000BaseSX

Answer 24

1 Gbps
1 km (max)
Fiber
SC, LC, ST, MT-RJ

Question 25

1000BaseSR

Answer 25

SFP
MMF
1 Gbps

Question 26

10BaseSW

Answer 26

SFP+

MMF

Question 27

10BaseLW

Answer 27

SFP+

SMF

Question 28

10BaseEW

Answer 28

SFP+

SMF

Question 29

SR (10Base etc)

Answer 29

Short range (SMF

Question 30

ER (10Base etc)

Answer 30

Extended range (MMF)

Question 31

H.323

Answer 31

H.323 describes protocols for the provision of audio-visual (A/V) communication sessions on all packet networks.

Question 32

RTSP

Answer 32

Real Time Streaming Protocol is a network control protocol designed for use in entertainment and communications systems to control streaming media servers.

Question 33

VRRP

Answer 33

The Virtual Router Redundancy Protocol (VRRP) is a computer networking protocol that provides for automatic assignment of available Internet Protocol (IP) routers to participating hosts.

Question 34

Classless Routing Protocols

Answer 34

Classless routing protocols are those protocols that include the subnet mask information when the routing tables or updates are exchanged. Other classless routing protocols include EIGRP, RIPv2 (or newer), IS-IS, and OSPF.

Question 35

IS-IS

Answer 35

Intermediate System to Intermediate System is a link-state routing protocol and is similar in operation to OSPF. Offers fast convergence, scalability, and vendor-interoperability. Has not been as widely deployed as OSPF