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CIS 280 > e6 > Flashcards

e6 Flashcards

1
Q

Exam Question 254 (p.272):
What does a dotted quad number look like?

A

Acceptable Answer:
It is a format where four numbers, usually in base 10, are connected by
dots. For example, \123.123.123.123”.

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2
Q

Exam Question 255 (p.272):
When an IPv4 address is written in x.x.x.x format, the possible value for
x range from 0 to what?

A

Acceptable Answer:
255

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3
Q

Exam Question 256 (p.272):
Describe base 2.

A

Acceptable Answer:
(a) It is a numbering system. (b) The digits range from 0 to 1. (c) Each
digit represents 1 bit. (d) It is also called binary.

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4
Q

Exam Question 257 (p.272):
Describe base 8.

A

Acceptable Answer:
(a) It is a numbering system. (b) The digits range from 0 to 7. (c) Each
digit represents 3 bits. (d) It is also called octal.

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5
Q

Exam Question 258 (p.272):
Describe base 10.

A

(a) It is a numbering system. (b) The digits range from 0 to 9. (c) Each digit represents about 3 1/3 bits. (d) It is also called decimal.

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6
Q

Exam Question 259 (p.272):
Describe base 16.

A

Acceptable Answer:

(a) It is a numbering system. (b) The digits range from 0 to 9 and A to F.
(c) Each digit represents 4 bits. (d) It is also called hex or hexadecimal.

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7
Q

Exam Question 260 (p.272):
Describe base 60.

A

Acceptable Answer:
(a) It is a numbering system. (b) The digits range from 0 to 59. (c) It is
used for time and angle measurement, including navigation. (d) Because
the digits are multi-character, in writing they are normally separated by
another character.

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8
Q

Exam Question 261 (p.273):
Describe base 64.

A

Acceptable Answer:
(a) It is a coding system. (b) The characters include A-Z, a-z, 0-9, and two others. (c) Each character represents 6 bits. (d) It is used for transmitting
data as though it were text.

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9
Q

Exam Question 262 (p.273):
Describe base 256.

A

Acceptable Answer:
(a) It is a numbering system. (b) It uses multi-character ‘digits’ 0-255.
(c) Each digit represents 8 bits. (d) In writing the digits are normally
separated by dots.

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10
Q

Exam Question 263 (p.273):
What is an octet?

A

Acceptable Answer:
8 bits

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11
Q

Exam Question 264 (p.273):
How many bits in a byte?

A

8
In networking, a byte is almost always eight bits.

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12
Q

Exam Question 265 (p.273):
How many bits a nybble?

A

Acceptable Answer:
4

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13
Q

Exam Question 266 (p.273):
What are the two meanings of kilo?

A

Acceptable Answer:
Ten to the third power, and two to the tenth power.

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14
Q

Exam Question 267 (p.273):
What are the two meanings of meg?

A

Acceptable Answer:
Ten to the sixth power. Two to the 20th power.

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15
Q

Exam Question 268 (p.273):
What are the two meanings of gig?

A

Acceptable Answer:
Ten to the ninth power. Two to the 30th power.

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16
Q

Exam Question 269 (p.273):
Convert binary 11110100010000 to octal.

A

Acceptable Answer:
36420

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17
Q

Exam Question 270 (p.273):
Convert binary 11111111011001011001 to hex.

A

Acceptable Answer:
FF659

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18
Q

Exam Question 271 (p.273):
Convert octal 16471 to binary.

A

Acceptable Answer:
1110100111001

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19
Q

Exam Question 272 (p.273):
Convert hex 64209 to binary.

A

Acceptable Answer:
1100100001000001001

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20
Q

Exam Question 273 (p.273):
Convert decimal 162 to binary.

A

Acceptable Answer:
10100010

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21
Q

Exam Question 274 (p.273):
Convert binary 10001000 to decimal.

A

Acceptable Answer:
136

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22
Q 
Exam Question 275 (p.273):
 For 19.19.19.19, what class is it?
A

Acceptable Answer:
Class A

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23
Q 
Exam Question 276 (p.273):
 For 199.199.199.199, what class is it?
A

Acceptable Answer:
Class C

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24
Q

Exam Question 277 (p.273):
What does a net mask look like?

A

Acceptable Answer:
32 bits, with all the 1s rst, then all the 0s.

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25
Q

Exam Question 278 (p.273):
In a net mask, what do the 1s mean?

A

Acceptable Answer:
The 1s indicate the part of the address that is the network number.

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26
Q

Exam Question 279 (p.273):
In a net mask, what do the 0s mean?

A

Acceptable Answer:
The 0s indicate the part of the address that is the host number.

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27
Q

Exam Question 280 (p.273):
What is the IPv4 special address range for the local network?

A

Acceptable Answer:
0.0.0.0/8

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28
Q

Exam Question 281 (p.273):
What is the Class A Private Address Range?

A

Acceptable Answer:
10.0.0.0/8

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29
Q

Exam Question 282 (p.273):
In the Class A Private Address Range, how many (classful) networks are
there?

A

Acceptable Answer:
1

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30
Q

Exam Question 283 (p.273):
In the Class A Private Address Range, what is the rst IP address?

A

Acceptable Answer:
10.0.0.0

31
Q

Exam Question 284 (p.274):
In the Class A Private Address Range, what is the rst host address?

A

Acceptable Answer:
10.0.0.1

32
Q

Exam Question 285 (p.274):
In the Class A Private Address Range, what is the last IP address?

A

Acceptable Answer:
10.255.255.255

33
Q

Exam Question 286 (p.274):
In the Class A Private Address Range, what is the last host address?

A

Acceptable Answer:
10.255.255.254

34
Q

Exam Question 287 (p.274):
What is the local host Private Address Range?

A

Acceptable Answer:
127.0.0.0/8

35
Q

Exam Question 288 (p.274):
What is the Link Local (APIPA) Private Address Range?

A

Acceptable Answer:
169.254.0.0/16

36
Q

Exam Question 289 (p.274):
How are Link Local (APIPA) addresses assigned?

A

Acceptable Answer:
Each computer picks its own.

37
Q

Exam Question 290 (p.274):
What is the Class B Private Address Range?

A

Acceptable Answer:
172.16.0.0/12

38
Q

Exam Question 291 (p.274):
In the Class B Private Address Range, how many (classful) networks are
there?

A

Acceptable Answer:
16

39
Q

Exam Question 292 (p.274):
In the Class B Private Address Range, what is the first IP address?

A

Acceptable Answer:
172.16.0.0

40
Q

Exam Question 293 (p.274):
In the Class B Private Address Range, what is the first host address?

A

Acceptable Answer:
172.16.0.1

41
Q

Exam Question 294 (p.274):
In the Class B Private Address Range, what is the last IP address?

A

Acceptable Answer:
172.31.255.255

42
Q

Exam Question 295 (p.274):
In the Class B Private Address Range, what is the last host address?

A

Acceptable Answer:
172.31.255.254

43
Q

Exam Question 296 (p.274):
What is the Class C Private Address Range?

A

Acceptable Answer:
192.168.0.0/16

44
Q

Exam Question 297 (p.274):
In the Class C Private Address Range, how many (classful) networks are
there?

A

Acceptable Answer:
256

45
Q

Exam Question 298 (p.274):
In the Class C Private Address Range, what is the first IP address?

A

Acceptable Answer:
192.168.0.0

46
Q

Exam Question 299 (p.274):
In the Class C Private Address Range, what is the first host address?

A

Acceptable Answer:
192.168.0.1

47
Q

Exam Question 300 (p.275):
In the Class C Private Address Range, what is the last IP address?

A

Acceptable Answer:
192.168.255.255

48
Q

Exam Question 301 (p.275):
In the Class C Private Address Range, what is the last host address?

A

Acceptable Answer:
192.168.255.254

49
Q

Exam Question 302 (p.275):
What is the IPv4 global broadcast address?

A

Acceptable Answer:
255.255.255.255

50
Q

Exam Question 303 (p.275):
What does CIDR stand for?

A

Acceptable Answer:
classless inter-domain routing

51
Q

Exam Question 304 (p.275):
What does CIDR notation look like?

A

Acceptable Answer:
It is written as a slash followed by a number between 0 and 32; for
example, /21

52
Q

Exam Question 305 (p.275):
What is the other name for slash notation?

A

Acceptable Answer:
CIDR notation

53
Q

Exam Question 306 (p.275):
What is the other name for CIDR notation?

A

Acceptable Answer:
slash notation?

54
Q

Exam Question 307 (p.275):
For 199.199.199.199, what is the default Net Mask in CIDR and dotted
quad notation?

A

Acceptable Answer:
/24 and 255.255.255.0.

55
Q

Exam Question 307 (p.275):
For 199.199.199.199, what is the default Net Mask in CIDR and dotted
quad notation?

A

Acceptable Answer:
/24 and 255.255.255.0.

56
Q

Exam Question 308 (p.275):
For /10, what is the subnet block size?

A

Acceptable Answer:
0.64.0.0

57
Q

Exam Question 309 (p.275):
For /23, what is the subnet block size?

A

Acceptable Answer:
0.0.2.0

58
Q

Exam Question 310 (p.275):
For /28, what is the subnet block size?

A

Acceptable Answer:
0.0.0.16

59
Q

Exam Question 311 (p.275):
For 255.255.248.0, what is the subnet block size?

A

Acceptable Answer:
0.0.8.0

60
Q

Exam Question 312 (p.275):
What does VLSM stand for?

A

Acceptable Answer:
variable length subnet mask

61
Q

Exam Question 313 (p.275):
What is a software port?

A

Acceptable Answer:
A port is a number that indicates which computer program should receive
the message.

62
Q

Exam Question 314 (p.275):
Software port numbers range from 0 up to what number?

A

Acceptable Answer:
65535

63
Q

Exam Question 315 (p.275):
What is port 21 normally used for?

A

Acceptable Answer:
FTP, File Transfer (or Transport) Protocol.

64
Q

Exam Question 316 (p.276):
What is port 22 normally used for?

A

Acceptable Answer:
SSH, Secure Shell.

65
Q

Exam Question 317 (p.276):
What is port 23 normally used for?

A

Acceptable Answer:
telnet

66
Q

Exam Question 318 (p.276):
What is port 25 normally used for?

A

Acceptable Answer:
SMTP, Simple Mail Transfer (or Transport) Protocol.

67
Q

Exam Question 319 (p.276):
What is port 80 normally used for?

A

Acceptable Answer:
HTTP, Hyper Text Transfer (or Transport) Protocol.

68
Q

Exam Question 320 (p.276):
What is port 443 normally used for?

A

Acceptable Answer:
HTTPS, Hyper Text Transfer (or Transport) Protocol Secure.

69
Q

Exam Question 321 (p.276):
What is a client?

A

Acceptable Answer:
A computer that makes requests.

70
Q

Exam Question 322 (p.276):
What is a server?

A

Acceptable Answer:
A computer that answers requests

71
Q

Exam Question 323 (p.276):
What is the well-known port number for web servers?

A

Acceptable Answer:
80

72
Q

Exam Question 324 (p.276):
What is the well-known port number for secure web servers?

A

Acceptable Answer:
443

73
Q

Exam Question 325 (p.276):
What is the well-known port number for le transfer protocol (ftp) servers?

A

Acceptable Answer:
21

74
Q

Exam Question 326 (p.276):
What is the well-known port number for email servers?

A

Acceptable Answer:
25

CIS 280 (5 decks)

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