Network 2 Flashcards Preview

Computer Certifications > Network 2 > Flashcards

Flashcards in Network 2 Deck (62)
Loading flashcards...
1
Q

What is the IEEE standard for Ethernet

A

802.3

2
Q

What is a group of tech used to connect networks using media such as twisted pair and fiber optic connections

A

Ethernet

3
Q

What is the IEE standard for wireless

A

802.11

4
Q

What is traffic sent from one computer to one other computer

A

Unicast

5
Q

What is transmitted by one computer and goes to all computers within a sublet

A

Broadcast

6
Q

What is one to one traffic between two computers on a network not just on a subnet

A

Unicast

7
Q

What is traffic sent from one computer to all other computers on a subnet

A

Broadcast

8
Q

Computers are connected within a subnet using

A

Hubs or switches

9
Q

What does both hubs and switches do

A

Pass broadcast traffic

10
Q

What is transmitted from one computer to many other computers

A

Multicast

11
Q

What is one to many traffic on a network

A

Multicast traffic

12
Q

What happens when a computer joins a multicast group

A

The NIC is internally configured to process traffic using multicast group’s IP address

13
Q

What is the primary protocol used to transmit and process multicast traffic

A

IGMP

14
Q

What is a group of devices on the same segment that are subject to collisions

A

Collision domain

15
Q

What occurs when two devices on the same segment sent traffic are subject to collisions

A

Collisions

16
Q

What is a group of devices on a network that can receive broadcast traffic from each other

A

Broadcast domain

17
Q

What connect computers in a network

A

Switches

18
Q

What passes broadcast traffic to all connections so it does not separate broadcast domains

A

Switches

19
Q

What connect networks

A

Routers

20
Q

What do not pass broadcast traffic and creates both separate collision domains and separate broadcast domains

A

Routers

21
Q

What provide basic connectivity for devices in a network

A

Hubs

22
Q

What can be physical or logical

A

Ports

23
Q

What is a physical connection on a network

A

Physical port

24
Q

What is a number used to identify a protocol or service

A

Logical port

25
Q

What allows you to create more collision domains, reduce collisions and improve network performance

A

Switches

26
Q

What connect computer within a network similar to how hub connect the computers

A

Switches

27
Q

What is a network that connects two or more networks segments together

A

Bridge

28
Q

VPNs are implemented to provide

A

A secure connection through public networks

29
Q

If 802.llg internet connection has connectivity problems what may be the cause

A

Electromagnetic Interference (EMI)

30
Q

Which factors has the biggest impact on data transmission speed in a wireless network

A

Transmission standard of the equipment used

31
Q

Which of the following uses a tunneling protocol

A

VPN

32
Q

A network that separates an organization’s private network from a public network

A

Perimeter

33
Q

Default port for telnet is

A

23

34
Q

When a clients DHCP issued address expires the client will

A

Attempt to obtain a new address by broadcasting

35
Q

What is called if the DHCP is unable to communicate with DHCP server from which it obtained its lease and 87.5 percent of its lease time has expired

A

Rebinding

36
Q

What is IP addressing infor is leased to a client and the client is responsible for renewing the lease

A

Renewing

37
Q

You ping a server by using fully FQDN and do not receive a response. You then ping the same server by using its IP address and receive a response. Why do you receive a response on the second attempt but not on the first

A

DNS is not resolving

38
Q

A media Access Control address identifies a

A

Network Interface Card

39
Q

Two companies want to share data by using the internet. What type of network provides the solution

A

Extranet

40
Q

A service that resolves NetBIOS names to IP addresses is

A

WINS-windows internet name service

41
Q

What type of DNS record maps host names to addresses

A

Host A DNS record

42
Q

Teredo tunneling is a protocol that

A

Allows IPv6 connectivity through IPv4

43
Q

What is the default subnet mask for a class c Internet network

A

255.255.255.0

44
Q

What is the default subnet mask for a class b Internet network

A

255.255.0.0

45
Q

What is the default subnet mask for a class a Internet network

A

255.0.0.0

46
Q

A computer that has an IP address of 269.254.0.1 cannot access the network. What services should you confirm is available

A

DHCP

47
Q

What network does the IP address 220.100.100.100 belong too

A

220.100.100.0/24

48
Q

The ping tool is used to

A

Self test a host’s own network interface

Determine whatever a host is reachable

49
Q

What features of DHCP

A

Address reservation

IP address exclusion

50
Q

The command line tool used to list a hosts active incoming connections is

A

NETSTAT

51
Q

What determines the media a access method that used in a network

A

Topology and protocols

52
Q

What wireless authentication method provides the highest level of security

A

WPA - wi - fy protected access

53
Q

What is one reason to incorporate VLANS in a network is to

A

Reduce the number of nodes in a broadcast domain

54
Q

What layer is the FTP protocol

A

FTP

55
Q

The top level domain of www.adventureworks.com is

A

.com

56
Q

What layer in the OSI are hardware addresses referenced

A

Data link

57
Q

What represents IPv6 loopback address

A

::1

58
Q

What address is a multicast address

A

224.0.0.1

59
Q

What’s the range of multicast addresses

A

224.0.0.0 to 239.255.255.255.255

60
Q

What uses pointer records and A records

A

DNS Server

61
Q

The ipconfig command will

A

Display a clients address

62
Q

The host name of the FQDN mail.exchange.corp.nwtraders.com is

A

Mail