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Network Plus > Domain4 > Flashcards

Domain4 Flashcards

1
Q

ACL–Access Control List,

A

A list or table of hosts that are permitted access

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2
Q

ADSL–Asymmetric Digital Subscriber Line,

A

A subscription line over which the downstream bandwidth is significantly higher than upstream bandwidth

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3
Q

ARP–Address Resolution Protocol,

A

Resolve IP address to MAC

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4
Q

AM–Amplitude Modulation,

A

Transmission technique in which the data is encoded by changing the amplitude of the signal

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5
Q

A computer is sending bad packets, what would you do to determine which computer

A

Use a Protocol analyzer–used to evaluate the overall health of the network by monitoring traffic

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6
Q

What device can you use to check if the Network card is working (without a cable or a hub),

A

Hardware loopback

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7
Q

What is the IP protocol tool used for documenting the subnets that must be traversed as a pack travels from one network to another,

A

Tracert

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8
Q

Name 3 activities a the Tacert utility performs:

A
  1. determine if it has reached destination;
  2. determine which router was last one the packet passed;
  3. how long the packet travels between routers
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9
Q

Which utility shows you the addressing information for the system currently connected,

A

Ipconfig

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10
Q

Which utility is used to check the status of an IP connection,

A

ping

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11
Q

Which utility would you use to see the path to an IP address,

A

Tracert

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12
Q

Which utility would you use to display all current network layer connections,

A

Netstat

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13
Q

Which utility would you use to get information about network names that have been resolved to IP addresses,

A

Nbstat

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14
Q

What would you use to get a MAC address without opening the computer case,

A

Ipconfig

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15
Q

You need to get the IP address of a server named Bill. What utility to you use,

A

Ping–will display the hostname and the IP address of target

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16
Q

You suspect that a computer has a malfunction NIC. To look at any errors occurring what utility to you use,

A

Netstat

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17
Q

You need to determine if a specific IP address is active–what do you use,

A

Ping

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18
Q

What TCP/IP utility would you use to document the routers used by an Internet packet,

A

Tracert

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19
Q

You need to determine the number of hops to a particular server–what would you use,

A

Tracert

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20
Q

You need to view the number of packets received and transmitted as well as the number of errors generated. What do you use,

A

Netstat

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21
Q

A user complains that the access time to a server is very slow. What utility do you use?

A

Tracert

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22
Q

A user complains that it is slow to access a web page. What utility can you use to find the bottleneck,

A

Tracert

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23
Q

Name to ways you can check your local TCP/IP connection,

A

Ping localhost; and ping 127.0.0.1

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24
Q

What utility can you use to find a bottleneck when diagnosing TCP/IP connectivity,

A

Tracert

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25
Q

What utility can be used to troubleshoot an HTTP server,

A

Telnet–Telnet specialty is terminal emulation

26
Q

Network port scanners are used by,

A

Hackers, Security experts and network technicians

27
Q

What intrusion detection type monitors your system in the same way antivirus programs use definition files,

A

Signature-based

28
Q

What intrusion detection type compares the current state of your system to a baseline,

A

Anomaly based

29
Q

what intrusion detection type monitors your network for activity that would indicate problems such as viruses,

A

Behavior based

30
Q

What method of intrusion monitoring has the added capability of shutting down suspicious traffic,

A

IPS

31
Q

What tool would you use to locate faults in fiber-optic cables,

A

OTDR

32
Q

What tool would you use to verify that the network segments are operating at optimal levels,

A

Certifier

33
Q

What tool would be best suited to find fault in metallic cabling,

A

TDR

34
Q

What tool would be best suited to finding improper voltage levels of components,

A

Multimeter

35
Q

What tool would be best suited to terminating RJ-45 connections,

A

Crimper

36
Q

The printer isn’t connecting to the server on login. What can you use to find the problem,

A

Server logs–Event Viewer is an example of a server log

37
Q

Concrete walls and large metal objects reduce the communication range of what?

A

all radio frequencies thus affects all 802.11x

38
Q

What would you use to connect networks using completely different protocols?

A

Gateway

39
Q

When the route for an IP message to reach a destination is not known, where is the message forwarded,

A

The default gateway

40
Q

You can access the web server by its IP but not by its host name. What could be the problem,

A

Misconfigured DNS

41
Q

What is a legitimate NetBIOS name,

A

Manufacturing1–user assigned NetBIOS names are mac 15 characters with no wildcard characters are permitted

42
Q

A packet that is not destined for the local network will go where,

A

The default gateway

43
Q

What transport protocol would be validated by successfully using FTP,

A

TCP

44
Q

You have setup a DSL router in your home office to prevent unauthorized access. You are unable to access the Internet, Problem,

A

Your router is prohibiting access on port 80

45
Q

You are working on a 10 user network that has frequent troubles at night but during the day–problem,

A

Incorrect cable routing

46
Q

An employee is complaining that when he turns off the lights in his office he cannot connect to the network, problem,

A

The cabling system is faulty

47
Q

Which documentation would be most useful to you if you need a high level view of the physical network and its devises,

A

Physical and logical network diagrams

48
Q

Which documentation would be most useful to you if you need to determine where the physical network might be causing issues,

A

Wiring schematics

49
Q

Which documentation would be most useful if you need to narrow a problem down to a specific device,

A

Baselines

50
Q

Which documentation would be most useful if you need to determine how to carry out a proposed change in network infrastructure,

A

Policies and procedures

51
Q

True or false? Your company’s private network and its wiring are subject to federal regulations,

A

TRUE

52
Q

What can handle a large number of incoming connections while maintaining security,

A

VPN concentrator

53
Q

What device is capable of combining many thousands of incoming VPN connections

A

VPN concentrator

54
Q

What device uses reflective technology to locate and identify faults in copper networking cables

A

A TDR (Time Domain Reflectometer)

55
Q

What device uses reflective technology to locate and identify faults in fiber optic networking cables

A

An OTDR–optical time domain reflectometer

56
Q

This device has the capabilities of monitoring network data from a single location; analyze the quality of traffic as well as packet loss; and generates reports,

A

Envirnmental monitor

57
Q

What is the most accurate term to describe the length of time it takes for a signal sent from the source computer to destination computer,

A

Latency

58
Q

What is the open source protocol that provides automatic failover and redundancy; allows nodes on same network to share an IP; load balancing,

A

CARP–common address redundancy protocol

59
Q

Carp was developed to eliminate the similarities between _______ and _______ and provide an open source solution

A

VRRP – virtual router redundancy protocol

and HSRP–hot standby router protocol

60
Q

A network using the MLPS technique is suited for what–3 answers,

A

VoIP; Streaming media; Gaming

61
Q

What type of protocol is QoS,

A

Transport–measures critical components overall performance

Network Plus (21 decks)

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