Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

ISDN1 > Ch. 11 Perspectives On IPv4 Subnetting > Flashcards

Ch. 11 Perspectives On IPv4 Subnetting Flashcards

0
Q

PPDIOO

A

Prepare, plan, design, implement, operate, and optimize

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Subdivided network

A

Subnet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Addresses in the same subnet are not separated by a _____

A

Router

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Addresses in different subnets are separated by at least one _____

A

Router

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

PVC

A

Permanent virtual circuits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

You should use one subnet for every:

A

VLAN, point to point serial link, Ethernet emulation WAN link (EoMLPS), frame relay PVC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Every device that connects to a subnet needs a ___ addresss

A

IP address

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

A subnets size, or length, is simply the number of usable ____ addresses in the subnet.

A

IP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The subnet _____ defines the size of the subnet among other things

A

Mask

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The subnet mask sets aside a number of ____ _____ whose purpose is to number different host IP addresses in that subnet

A

Host bits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

You can number 2^H things with H____

A

Bits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A subnet’s size is 2^H - 2 (where H is the number of host bits) because each subnet reserves the numerically _____ and _____ values

A

Lowest and highest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The subnet reserves the lowest numerical value for the subnet ______

A

Number

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The subnet reserves the numerically highest value as the subnet ______ ______

A

Broadcast address

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The term subnet number, subnet ID, and subnet address all refer to the number that represents or identifies a ______

A

Subnet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

To choose to use a single size subnet in an enterprise network, you must use the same ____ for all subnets, because it defines the size of the subnet

A

Mask

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

One requirement when choosing a subnet _____ is this: that one choice must provide enough host IP addresses to support the largest subnet

A

Mask

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The number of ____ ____ (H) defined by the mask must be large enough so that 2^H - 2 is larger than (or equal to) the number of host IP addresses required in the largest subnet

A

Host bits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The biggest disadvantage for using a single size subnet is that it wastes ____ addresses

A

IP

19
Q

All subnets will be based on the formula _____

A

2^H - 2

20
Q

VLSM

A

Variable length subnet masks

21
Q

The original design of the internet require any company that connected to the internet had to use a ____ ___ IP network

A

Registered public

22
Q

____ IP networks ensure that all the companies that connect to the internet all use unique IP addresses

A

Public

23
Q

NAT

A

Network address translation

24
Q

____ allows multiple companies to use the exact same private IP network

A

NAT (network address translation)

25
Q

____ IP networks will never be assigned to an organization as a public IP network

A

Private

26
Q

____ can be used by organizations that will use NAT when sending packets into the internet

A

Private

27
Q

_____ IP networks can be used by organizations that never need to send packets into the internet

A

Private

28
Q

Before an engineer divides a classful network into smaller networks, the network is a single group of addresses, breaking them down into smaller groups is converting them into ____

A

Subnets

29
Q

The size of an ______ Class A, B, or C network is as follows:
Class A: 2^24 - 2 = 16,777,214
Class B: 2^16 - 2 = 65,534
Class C: 2^8 - 2 = 254

A

Unsubnetted

30
Q

An engineer cannot change the size of a network part or the size of the entire address which is ____ bits

A

32

31
Q

The number of _____ bits must be large enough to uniquely number all the subnets.

A

Subnet

32
Q

The subnet mask is a ____ bit binary number

A

32

33
Q

A ____ consists of a group of consecutive numbers

A

Subnet

34
Q

Subnet ____ also called the subnet ID or subnet address, this number identifies the subnet. It is the numerically smallest number in the subnet. It cannot be used as an IP address by a host

A

Number

35
Q

Subnet ____ also called the subnet broadcast address or directed broadcast address, this is the last number (numerically highest) number in the subnet. It also cannot be used as an IP address

A

Broadcast

36
Q

____ addresses is all the numbers between the subnet ID and the subnet broadcast that can be used as an host IP addresses

A

IP

37
Q

Devices receive their IP address and mask assignment in one of two ways, dynamically by using _____ or statically trough configuration

A

DHCP

38
Q

Host A is a pc connected to switch S1 and assigned to VLAN 1. Which of the following are typically assigned an IP address in the same subnet as host A (select two)
The local router’s WAN interface
Th local router’s LAN interface
All other hosts attached to the same switch
Other hosts attached to the same switch and also in VLAN 1

A

The local router’s LAN interface

Other hosts attached to the same switch and also in VLAN 1

39
Q

What is the formula for the number of hosts per subnet (2^H-2) require the subtraction of two host
To reserve two addresses for redundant default gateways
To reserve the two addresses required DHCP operation
To reserve addresses for the subnet ID and default gateway
To reserve addresses for the subnet broadcast address and a subnet ID

A

Reserve addresses for the subnet broadcast address and subnet ID

40
Q 
A class B network needs to be submitted such that it supports 100 subnets and 100 hosts per subnet. Which of the following answers lists a workable combination for the number of network, subnet, and host bits? (Select two answers)
N = 16 S = 7 Host = 7
N = 16 S = 8 Host = 8
N = 16 S = 9 Host = 7
N = 8 S = 7 Host = 17
A 
N = 16 S = 8 Host = 8
N = 16 S = 9 Host = 7
41
Q

Which of the following are private IP networks (select two answers)

  1. 31.0.0
  2. 32.0.0
  3. 168.255.0
  4. 1.168.0
  5. 0.0.0
A
  1. 31.0.0

192. 168.255.0

42
Q

Which of the following are public IP networks (select three answers)

  1. 0.0.0
  2. 30.0.0
  3. 168.255.0
  4. 1.168.0
  5. 0.0.0
A
  1. 0.0.0
  2. 168.255.0
  3. 0.0.0
43
Q 
Before class B network 172.16.0.0 is subnetted by a network engineer, the parts of the structure of the IP addresses in this network already exist, with a specific size? (Select two answers)
Network
Subnet
Host
Broadcast
A

Network

Host

44
Q 
A network engineer spends time thinking about the entire class B network 172.16.0.0, and how to subnet that network. Then chooses how to subnet this class B network and create an address and it's subnetting plan, on paper, to show his choices. If you compare his thoughts about this network before subnetting the network, to his thoughts about this network after mentally subnetting the network, which of the following occurred to the part of the structure of addresses in this network:
The subnet part got smaller
The host part got smaller
The network park got smaller
The Host part was removed
The Network part was removed
A

The host part got smaller

45
Q 
Which of the following terms are not used to reference the one number in  each subnet used to uniquely identify the subnet (choose two answers)
Subnet ID
Subnet number
Subnet broadcast
Subnet name
Subnet address
A

Subnet broadcast

Subnet name

ISDN1 (28 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions