@@QUES 050101 T/F Q,195,411,221,297
Do you think the following statement is true or false?

A prefix identifies a block of host numbers.
|
1
|

|
That's right.
|
In fact, the statement is true.
|
The statement is true.

@@QUES 050102 Y/N Q,146,408,304,260
Do you think prefixes on IP addresses have always been a standard length.
|
2
|

|
You're right.
|
In fact, they haven't.
|
The answer is No.

@@QUES 050103 SXY Q,220,448,331,304
How do you think this was done?
|
Choose an option.
|
By using an explicit length indication
By using a subnet mask
By changing the host number
By creating more address classes
|

|
2
|
That's right.
|
That's not it. The correct option is now highlighted.
|
The correct option is now highlighted.

@@QUES 050104 T/F Q,152,404,291,332
Do you think the following statement is true or false?

Traditional classful routing transmits prefix length information.
|
2
|

|
That's right.
|
Actually, the statement is false.
|
The statement is false.


@@QUES 050105 DTF Q,273,367,287,327
Try to decide which option goes in which blank.

Classful hosts know the prefix length for  _  but not for  _  configurations.
|
Choose an option to fill the first blank.
|
Choose an option to fill the second blank.
|
%010remote
%010local
|
2
|
That's right.
|
In fact, it's the other way around.
|
That's not it.
|
That's not it.
|
The full statement is now shown.



@@QUES 050201 T/F Q,287,438,247,322
Do you think the following statement is true or false?

VLSM results in more efficient use of address space.
|
1
|

|
That's right.
|
Actually, the statement is true.
|
The statement is true.

@@QUES 050202 T/F Q,260,444,297,323
Do you think the following statement is true or false?

Small subnets should be grouped so that routing information concerning them can be consolidated.
|
1
|

|
That's right.
|
In fact, the statement is true.
|
The statement is true.

@@QUES 050203 MXY Q,133,361,321,310
Why do you think variable length subnet masks are used to number serial lines?
|
Choose each appropriate item.
|
Because you want to give each serial line its own subnet number
Because each serial line has only two host addresses
|

|
1,2
|
That's right.
|
Partly right. In fact, both options are correct and are now highlighted.
|
You have not made any correct choices. Both options are correct and are now highlighted.
|
The correct options are highlighted.

@@QUES 050204 SXY Q,136,407,315,319
What do you think the aggregate or main route for all the subnets in the core is?
|
Choose an option.
|
172.16.1.0
172.16.0.0
172.16.14.0
172.16.14.62
|

|
3
|
That's right.
|
That's not it. The correct option is now highlighted.
|
The correct option is now highlighted.

@@QUES 050205 T/F Q,154,401,302,305
Do you think the following statement is true or false?

Classless routing can support VLSM.
|
1
|

|
That's right.
|
In fact, the statement is true.
|
The statement is true.

@@QUES 050101t MXY Q,172,416,280,334
Which of the following can be used to indicate the leftmost contiguous significant bits in an IP address?
|
Choose each appropriate item.
|
Address class
Subnet mask
Host address
Length indication
|
1,2,4
|
28
|
Correct.
|
7 per correct decision
|
Partly right. The correct options are now highlighted.
|
You have not made any correct choices. The correct options are now highlighted.

@@QUES 050102t XYF Q,170,402,289,330
Routers use the IP address prefix to determine the path for a destination address that is _____ .
|
Choose an option to fill the blank.
|
%010local
%010remote
%010unknown
%010fixed
|
2
|
20
|
Correct.
|
Incorrect. The correct option is now highlighted.
|
The full statement is now shown.

@@QUES 050103t XYF Q,0,0,359,335
Classful addressing had to be introduced when the existence of more than  _  internetworks threatened to collapse the internet.
|
Choose an option to fill the blank.
|
63
127
254
255
|
3
|
20
|
Correct.
|
Incorrect. The correct option is now highlighted.
|
The full statement is now shown.

@@QUES 050104t T/F Q,0,0,288,271
Classful hosts can understand extensions in the local prefix length.
|
1
|
10
|
Correct.
|
Incorrect. The statement is true.

@@QUES 050105t DTF Q,0,0,287,350
_  routers accept any prefix length.

_  routers only accept certain prefix lengths.
|
Choose an option to fill the first blank.
|
Choose an option to fill the second blank.
|
Classless
Classful
|
1
|
Correct.
|
10
|
Incorrect. It's the other way around.
|
0
|
Incorrect.
|
0
|
Incorrect.
|
0
|
The full statements are now shown.

@@QUES 050201t XYF Q,0,0,323,339
In scaling a network it is recommended that you avoid using more than  _  subnet masks for any given network.
|
Choose an option to fill the blank.
|
%010one
%010two
%010four
%010sixteen
|
2
|
20
|
Correct.
|
Incorrect. The correct option is now highlighted.
|
The full statement is now shown.

@@QUES 050202t MXY Q,0,0,385,350
Why does classless routing support VLSM?
|
Choose each appropriate item.
|
Because it enables different prefix lengths at different points in the route
Because it allows you to change the network number
Because the prefix length can be calculated from the first few bits in an address
Because it transmits prefix length explicitly with the IP address
|
1,4
|
28
|
Correct.
|
7 per correct decision
|
Partly right. The correct options are now highlighted.
|
You have not made any correct choices. The correct options are now highlighted.

@@QUES 050203t T/F Q,0,0,263,298
When using VLSM you should avoid subnetting your address space using a fixed subnet mask.
|
2
|
10
|
Correct.
|
Incorrect. The statement is false.
|
|
|
|
|
|
|
