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CIS 280 > e6 > Flashcards

e6 Flashcards

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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
Exam Question 278 (p.273): In a net mask, what do the 1s mean?
Acceptable Answer: The 1s indicate the part of the address that is the network number.
26
Exam Question 279 (p.273): In a net mask, what do the 0s mean?
Acceptable Answer: The 0s indicate the part of the address that is the host number.
27
Exam Question 280 (p.273): What is the IPv4 special address range for the local network?
Acceptable Answer: 0.0.0.0/8
28
Exam Question 281 (p.273): What is the Class A Private Address Range?
Acceptable Answer: 10.0.0.0/8
29
Exam Question 282 (p.273): In the Class A Private Address Range, how many (classful) networks are there?
Acceptable Answer: 1
30
Exam Question 283 (p.273): In the Class A Private Address Range, what is the rst IP address?
Acceptable Answer: 10.0.0.0
31
Exam Question 284 (p.274): In the Class A Private Address Range, what is the rst host address?
Acceptable Answer: 10.0.0.1
32
Exam Question 285 (p.274): In the Class A Private Address Range, what is the last IP address?
Acceptable Answer: 10.255.255.255
33
Exam Question 286 (p.274): In the Class A Private Address Range, what is the last host address?
Acceptable Answer: 10.255.255.254
34
Exam Question 287 (p.274): What is the local host Private Address Range?
Acceptable Answer: 127.0.0.0/8
35
Exam Question 288 (p.274): What is the Link Local (APIPA) Private Address Range?
Acceptable Answer: 169.254.0.0/16
36
Exam Question 289 (p.274): How are Link Local (APIPA) addresses assigned?
Acceptable Answer: Each computer picks its own.
37
Exam Question 290 (p.274): What is the Class B Private Address Range?
Acceptable Answer: 172.16.0.0/12
38
Exam Question 291 (p.274): In the Class B Private Address Range, how many (classful) networks are there?
Acceptable Answer: 16
39
Exam Question 292 (p.274): In the Class B Private Address Range, what is the first IP address?
Acceptable Answer: 172.16.0.0
40
Exam Question 293 (p.274): In the Class B Private Address Range, what is the first host address?
Acceptable Answer: 172.16.0.1
41
Exam Question 294 (p.274): In the Class B Private Address Range, what is the last IP address?
Acceptable Answer: 172.31.255.255
42
Exam Question 295 (p.274): In the Class B Private Address Range, what is the last host address?
Acceptable Answer: 172.31.255.254
43
Exam Question 296 (p.274): What is the Class C Private Address Range?
Acceptable Answer: 192.168.0.0/16
44
Exam Question 297 (p.274): In the Class C Private Address Range, how many (classful) networks are there?
Acceptable Answer: 256
45
Exam Question 298 (p.274): In the Class C Private Address Range, what is the first IP address?
Acceptable Answer: 192.168.0.0
46
Exam Question 299 (p.274): In the Class C Private Address Range, what is the first host address?
Acceptable Answer: 192.168.0.1
47
Exam Question 300 (p.275): In the Class C Private Address Range, what is the last IP address?
Acceptable Answer: 192.168.255.255
48
Exam Question 301 (p.275): In the Class C Private Address Range, what is the last host address?
Acceptable Answer: 192.168.255.254
49
Exam Question 302 (p.275): What is the IPv4 global broadcast address?
Acceptable Answer: 255.255.255.255
50
Exam Question 303 (p.275): What does CIDR stand for?
Acceptable Answer: classless inter-domain routing
51
Exam Question 304 (p.275): What does CIDR notation look like?
Acceptable Answer: It is written as a slash followed by a number between 0 and 32; for example, /21
52
Exam Question 305 (p.275): What is the other name for slash notation?
Acceptable Answer: CIDR notation
53
Exam Question 306 (p.275): What is the other name for CIDR notation?
Acceptable Answer: slash notation?
54
Exam Question 307 (p.275): For 199.199.199.199, what is the default Net Mask in CIDR and dotted quad notation?
Acceptable Answer: /24 and 255.255.255.0.
55
Exam Question 307 (p.275): For 199.199.199.199, what is the default Net Mask in CIDR and dotted quad notation?
Acceptable Answer: /24 and 255.255.255.0.
56
Exam Question 308 (p.275): For /10, what is the subnet block size?
Acceptable Answer: 0.64.0.0
57
Exam Question 309 (p.275): For /23, what is the subnet block size?
Acceptable Answer: 0.0.2.0
58
Exam Question 310 (p.275): For /28, what is the subnet block size?
Acceptable Answer: 0.0.0.16
59
Exam Question 311 (p.275): For 255.255.248.0, what is the subnet block size?
Acceptable Answer: 0.0.8.0
60
Exam Question 312 (p.275): What does VLSM stand for?
Acceptable Answer: variable length subnet mask
61
Exam Question 313 (p.275): What is a software port?
Acceptable Answer: A port is a number that indicates which computer program should receive the message.
62
Exam Question 314 (p.275): Software port numbers range from 0 up to what number?
Acceptable Answer: 65535
63
Exam Question 315 (p.275): What is port 21 normally used for?
Acceptable Answer: FTP, File Transfer (or Transport) Protocol.
64
Exam Question 316 (p.276): What is port 22 normally used for?
Acceptable Answer: SSH, Secure Shell.
65
Exam Question 317 (p.276): What is port 23 normally used for?
Acceptable Answer: telnet
66
Exam Question 318 (p.276): What is port 25 normally used for?
Acceptable Answer: SMTP, Simple Mail Transfer (or Transport) Protocol.
67
Exam Question 319 (p.276): What is port 80 normally used for?
Acceptable Answer: HTTP, Hyper Text Transfer (or Transport) Protocol.
68
Exam Question 320 (p.276): What is port 443 normally used for?
Acceptable Answer: HTTPS, Hyper Text Transfer (or Transport) Protocol Secure.
69
Exam Question 321 (p.276): What is a client?
Acceptable Answer: A computer that makes requests.
70
Exam Question 322 (p.276): What is a server?
Acceptable Answer: A computer that answers requests
71
Exam Question 323 (p.276): What is the well-known port number for web servers?
Acceptable Answer: 80
72
Exam Question 324 (p.276): What is the well-known port number for secure web servers?
Acceptable Answer: 443
73
Exam Question 325 (p.276): What is the well-known port number for le transfer protocol (ftp) servers?
Acceptable Answer: 21
74
Exam Question 326 (p.276): What is the well-known port number for email servers?
Acceptable Answer: 25

CIS 280 (5 decks)

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