Cartes mémoires Netzwerk Englisch

Cartes-fiches	96
Langue	English
Catégorie	Culture générale
Niveau	École primaire
Crée / Actualisé	08.02.2015 / 07.06.2016
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Q636
While troubleshooting network connectivity, a technician notices a computer has assigned itself an APIPA IP address of 169.254.0.1. Assuming the DNS servers have been properly configured, which of the following tools should the technician use to verify the DHCP server is
reachable?

ipconfig

dig

nslookup

tracert

ipconfig

dig

nslookup

tracert

Q657
A network technician has configured a new firewall to allow TCP port 80 traffic and deny UDP traffic. Users have reported that they are unable to access Internet websites. The technician verifies by attempting to access a popular website. Which of the following will MOST likely
correct the error?

HTTP uses UDP

DNS port 23 needs to be allowed

HTTP needs port 443 allowed

UDP port 53 needs to be allowed

HTTP uses UDP

DNS port 23 needs to be allowed

HTTP needs port 443 allowed

UDP port 53 needs to be allowed

Q664
A coffee shop has hired a technician to install a wireless hot-spot. However, after the hot-spot is enabled, it was noted that there were more cars in the parking lot than customers in the coffee shop. Which of the following will alleviate this problem?

Change the channel on the WAP.

Turn down the signal strength on the WAP.

Turn on WEP-WPA encryption on the WAP.

Change the SSID and turn up the signal strength on the WAP.

Change the channel on the WAP.

Turn down the signal strength on the WAP.

Turn on WEP-WPA encryption on the WAP.

Change the SSID and turn up the signal strength on the WAP.

Q696
Which of the following can be done to increase a wireless LAN cell size?

Add a higher gain omni antenna

Add diversity antennas

Add a higher gain yagi antenna

Increase the PoE wattage

Add a higher gain omni antenna

Add diversity antennas

Add a higher gain yagi antenna

Increase the PoE wattage

Q700
Which of the following is considered an Exterior Gateway Protocol (EGP)?

BGP

IGRP

RIP

OSPF

BGP

IGRP

RIP

OSPF

Q703
Routers are used instead of Layer 2 switches to separate which of the following?

Collision Domains

Link States

Distant Vectors

Broadcast Domains

Collision Domains

Link States

Distant Vectors

Broadcast Domains

Q715
Which of the following components is used to connect to a smart jack?

RJ-11 modular plug

RJ-45 modular plug

BNC connector

F-connector

RJ-11 modular plug

RJ-45 modular plug

BNC connector

F-connector

Q719
Which of the following WAN technologies will vary in bandwidth depending on the amount of traffic in the local area on the same provider?

Satellite

Cable

T1

DSL

Satellite

Cable

T1

DSL

Q720
Which of the following would provide the ability to have a pool of web servers provide content as users visit the website’s single domain name?

Protocol analyzer

Load balancer

Content filter

Channel bonding

Protocol analyzer

Load balancer

Content filter

Channel bonding

Q722
Which of the following is based ENTIRELY on using ICMP packets?

Social engineering

NMAP

Buffer overflow attack

Smurf attack

Social engineering

NMAP

Buffer overflow attack

Smurf attack

Q745
Which of the following technologies is used on cellular networks?

Ethernet

CDMA

CSMA/CA

POTS

Ethernet

CDMA

CSMA/CA

POTS

Q748
Which of the following mediums is circuit switched?

PSTN

ATM

Frame relay

MPLS

PSTN

ATM

Frame relay

MPLS

Q755
Which of the following is the MOST economical way for Sandy, a technician, to implement 10-Gigabit Ethernet at a datacenter?

10GBaseLR

10GBaseSR

10GBaseX

10GBaseT

10GBaseLR

10GBaseSR

10GBaseX

10GBaseT

Q763
Which of the following MUST be used when securing a VoIP network consisting of private IP
addresses?

IPS

Application layer firewall

IDS

An unmanaged switch

IPS

Application layer firewall

IDS

An unmanaged switch

Q18
Users are reporting that some Internet websites are not accessible anymore. Which of thefollowing will allow the network administrator to quickly isolate the remote router that is
causing the network communication issue, so that the problem can be reported to the appropriate responsible party?

Ping

Protocol analyzer

Tracert

Dig

Keyboard commands:

= turn,

= for-/backward,

= scroll

Ping

Protocol analyzer

Tracert

Dig

Q23
Ann, a technician, installs a new WAP and users are able to connect; however, users cannot access the Internet. Which of the following is the MOST likely cause of the problem?

The signal strength has been degraded and latency is increasing hop count.

An incorrect subnet mask has been entered in the WAP configuration.

The signal strength has been degraded and packets are being lost.

Users have specified the wrong encryption type and routes are being rejected.

Keyboard commands:

= turn,

= for-/backward,

= scroll

The signal strength has been degraded and latency is increasing hop count.

An incorrect subnet mask has been entered in the WAP configuration.

The signal strength has been degraded and packets are being lost.

Users have specified the wrong encryption type and routes are being rejected.

Q29
Which of the following protocols works at the LOWEST layer of the OSI
model?

L2TP

PPTP

SAKMP

PSec

Keyboard commands:

= turn,

= for-/backward,

= scroll

L2TP

PPTP

SAKMP

PSec

Q33
At which of the following layers of the OSI model does ASCII work?

Session

Transport

Presentation

Application

Keyboard commands:

= turn,

= for-/backward,

= scroll

Session

Transport

Presentation

Application

Q38
Which of the following DNS records is used to identify a domain's SMTP server?

CNAME

PTR

mx

a

Keyboard commands:

= turn,

= for-/backward,

= scroll

CNAME

PTR

mx

a

Which of the following routing protocols utilizes the DUAL algorithm for determining best path?

EIGRP

RIPv2

OSPF

RIP

Keyboard commands:

= turn,

= for-/backward,

= scroll

EIGRP

RIPv2

OSPF

RIP

Which of the following uses distance vector algorithms to determine the BEST network route to a destination address?

is is

ospf

bgp

rip

Keyboard commands:

= turn,

= for-/backward,

= scroll

is is

ospf

bgp

rip

Which of the following is always true when a router selects a destination?

The default gateway is selected over any other static or dynamiroute.

The shortest route is always selected.

The most specific route is selected over the default gateway.

A dynamic route is selected over a directly attached network.

Keyboard commands:

= turn,

= for-/backward,

= scroll

The default gateway is selected over any other static or dynamiroute.

The shortest route is always selected.

The most specific route is selected over the default gateway.

A dynamic route is selected over a directly attached network.

Q88
Which of the following connectors is usable in SFP modules?

ST

LC

LX

XS

Keyboard commands:

= turn,

= for-/backward,

= scroll

ST

LC

LX

XS

Q89
A user reports that several spots within the company's office have intermittent connectivity issues with the newly installed wireless network. There are several WAPs located around the office to provide a strong signal wherever the users are. Which of the following is the MOST
likely cause of the problem?

Incompatible network card

Channel overlap

Latency

WEP encryption

Incompatible network card

Channel overlap

Latency

WEP encryption

Q91
A network technician is setting up a wireless access point that would only allow a certain laptop to be able to access the WAP. By using ACL, which of the following would be filtered to ensure only the authorized laptop can access the WAP?

NetBIOS name filtering

IP address filtering

MAC address filtering

Computer name filtering

NetBIOS name filtering

IP address filtering

MAC address filtering

Computer name filtering

Q105
Some employees are unable to maintain a wireless network connection. The network's wireless infrastructure is comprised of three different buildings with the configurations listed below. Wireless network in Building A and C is used exclusively for internal employees and
Building B is used for visitors and requires no additional configuration on their devices. Which of the following settings would need to be modified to provide the BEST wireless experience for all employees as they move between buildings?

Building ABuilding BBuilding C
Channel: 1Channel: 6Channel: 11
Encryption: WPA2Encryption: OpenEncryption: WPA2
SSID. CorpSSID. GuestSSID. Sales

Change Channel in Building B to 7

Change Encryption in Building B to match A and C

Change Channel in Building C to 1

Change SSID in Building C to match Building A

Change Channel in Building B to 7

Change Encryption in Building B to match A and C

Change Channel in Building C to 1

Change SSID in Building C to match Building A

Q108
A user cannot access the LAN after working successfully most of the day. Which of the following should the network administrator check FIRST?

VLAN settings

History logs

Patch cable

Port security

VLAN settings

History logs

Patch cable

Port security

Q118
When a packet that is entering a switch port is encapsulated, which of the following is the switch performing?

802.1q

Collision avoidance

Port mirroring

STP

802.1q

Collision avoidance

Port mirroring

STP

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