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e6 Flashcards

1
Q

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

A

<p> Acceptable Answer:<br></br> It is a format where four numbers, usually in base 10, are connected by<br></br> dots. For example, \123.123.123.123".</p>

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2
Q

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

A

<p> Acceptable Answer:<br></br> 255</p>

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4
Q

<p> <br></br> Exam Question 256 (p.272):<br></br> Describe base 2.</p>

A

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

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5
Q

<p> Exam Question 257 (p.272):<br></br> Describe base 8.</p>

A

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

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5
Q

<p> Exam Question 258 (p.272):<br></br> Describe base 10.</p>

A

<p> (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.</p>

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7
Q

<p> Exam Question 259 (p.272):<br></br> Describe base 16.</p>

A

<p> Acceptable Answer:<br></br> (a) It is a numbering system. (b) The digits range from 0 to 9 and A to F.<br></br> (c) Each digit represents 4 bits. (d) It is also called hex or hexadecimal.</p>

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8
Q

<p> Exam Question 260 (p.272):<br></br> Describe base 60.</p>

A

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

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8
Q

<p> Exam Question 261 (p.273):<br></br> Describe base 64.</p>

A

<p> Acceptable Answer:<br></br> (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<br></br> data as though it were text.</p>

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10
Q

<p> <br></br> Exam Question 262 (p.273):<br></br> Describe base 256.</p>

A

<p> Acceptable Answer:<br></br> (a) It is a numbering system. (b) It uses multi-character &#39;digits&#39; 0-255.<br></br> (c) Each digit represents 8 bits. (d) In writing the digits are normally<br></br> separated by dots.</p>

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10
Q

<p> Exam Question 263 (p.273):<br></br> What is an octet?</p>

A

<p> Acceptable Answer:<br></br> 8 bits</p>

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12
Q

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

A

<p> 8<br></br> In networking, a byte is almost always eight bits.</p>

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13
Q

<p> Exam Question 265 (p.273):<br></br> How many bits a nybble?</p>

A

<p> Acceptable Answer:<br></br> 4</p>

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13
Q

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

A

<p> Acceptable Answer:<br></br> Ten to the third power, and two to the tenth power.</p>

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15
Q

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

A

<p> Acceptable Answer:<br></br> Ten to the sixth power. Two to the 20th power.</p>

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16
Q

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

A

<p> Acceptable Answer:<br></br> Ten to the ninth power. Two to the 30th power.</p>

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16
Q

<p> Exam Question 269 (p.273):<br></br> Convert binary 11110100010000 to octal.</p>

A

<p> Acceptable Answer:<br></br> 36420</p>

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18
Q

<p> Exam Question 270 (p.273):<br></br> Convert binary 11111111011001011001 to hex.</p>

A

<p> Acceptable Answer:<br></br> FF659</p>

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18
Q

<p> Exam Question 271 (p.273):<br></br> Convert octal 16471 to binary.</p>

A

<p> Acceptable Answer:<br></br> 1110100111001</p>

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20
Q

<p> <br></br> <br></br> Exam Question 272 (p.273):<br></br> Convert hex 64209 to binary.</p>

A

<p> Acceptable Answer:<br></br> 1100100001000001001</p>

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21
Q

<p> <br></br> Exam Question 273 (p.273):<br></br> Convert decimal 162 to binary.</p>

A

<p> Acceptable Answer:<br></br> 10100010</p>

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21
Q

<p> <br></br> Exam Question 274 (p.273):<br></br> Convert binary 10001000 to decimal.</p>

A

<p> Acceptable Answer:<br></br> 136</p>

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23
Q

<p> Exam Question 275 (p.273):<br></br> For 19.19.19.19, what class is it?</p>

A

<p> Acceptable Answer:<br></br> Class A</p>

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23
Q

<p> Exam Question 276 (p.273):<br></br> For 199.199.199.199, what class is it?</p>

A

<p> Acceptable Answer:<br></br> Class C</p>

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25
Q

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

A

<p> Acceptable Answer:<br></br> 32 bits, with all the 1s rst, then all the 0s.</p>

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26
Q

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

A

<p> Acceptable Answer:<br></br> The 1s indicate the part of the address that is the network number.</p>

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26
Q

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

A

<p> Acceptable Answer:<br></br> The 0s indicate the part of the address that is the host number.</p>

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28
Q

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

A

<p> Acceptable Answer:<br></br> 0.0.0.0/8</p>

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28
Q

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

A

<p> Acceptable Answer:<br></br> 10.0.0.0/8</p>

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30
Q

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

A

<p> Acceptable Answer:<br></br> 1</p>

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30
Q

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

A

<p> Acceptable Answer:<br></br> 10.0.0.0</p>

32
Q

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

A

<p> Acceptable Answer:<br></br> 10.0.0.1</p>

33
Q

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

A

<p> Acceptable Answer:<br></br> 10.255.255.255</p>

33
Q

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

A

<p> Acceptable Answer:<br></br> 10.255.255.254</p>

35
Q

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

A

<p> Acceptable Answer:<br></br> 127.0.0.0/8</p>

35
Q

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

A

<p> Acceptable Answer:<br></br> 169.254.0.0/16</p>

37
Q

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

A

<p> Acceptable Answer:<br></br> Each computer picks its own.</p>

37
Q

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

A

<p> Acceptable Answer:<br></br> 172.16.0.0/12</p>

39
Q

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

A

<p> Acceptable Answer:<br></br> 16</p>

39
Q

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

A

<p> Acceptable Answer:<br></br> 172.16.0.0</p>

40
Q

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

A

<p> Acceptable Answer:<br></br> 172.16.0.1</p>

41
Q

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

A

<p> Acceptable Answer:<br></br> 172.31.255.255</p>

43
Q

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

A

<p> Acceptable Answer:<br></br> 172.31.255.254</p>

43
Q

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

A

<p> Acceptable Answer:<br></br> 192.168.0.0/16</p>

45
Q

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

A

<p> Acceptable Answer:<br></br> 256</p>

45
Q

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

A

<p> Acceptable Answer:<br></br> 192.168.0.0</p>

47
Q

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

A

<p> Acceptable Answer:<br></br> 192.168.0.1</p>

47
Q

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

A

<p> Acceptable Answer:<br></br> 192.168.255.255</p>

49
Q

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

A

<p> Acceptable Answer:<br></br> 192.168.255.254</p>

49
Q

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

A

<p> Acceptable Answer:<br></br> 255.255.255.255</p>

51
Q

<p> Exam Question 303 (p.275):<br></br> What does CIDR stand for?</p>

A

<p> Acceptable Answer:<br></br> classless inter-domain routing</p>

51
Q

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

A

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

52
Q

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

A

<p> Acceptable Answer:<br></br> CIDR notation</p>

54
Q

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

A

<p> Acceptable Answer:<br></br> slash notation?</p>

54
Q

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

A

<p> Acceptable Answer:<br></br> /24 and 255.255.255.0.</p>

56
Q

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

A

<p> Acceptable Answer:<br></br> /24 and 255.255.255.0.</p>

56
Q

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

A

<p> Acceptable Answer:<br></br> 0.64.0.0</p>

58
Q

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

A

<p> Acceptable Answer:<br></br> 0.0.2.0</p>

58
Q

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

A

<p> Acceptable Answer:<br></br> 0.0.0.16</p>

60
Q

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

A

<p> Acceptable Answer:<br></br> 0.0.8.0</p>

60
Q

<p> Exam Question 312 (p.275):<br></br> What does VLSM stand for?</p>

A

<p> Acceptable Answer:<br></br> variable length subnet mask</p>

62
Q

<p> <br></br> Exam Question 313 (p.275):<br></br> What is a software port?</p>

A

<p> Acceptable Answer:<br></br> A port is a number that indicates which computer program should receive<br></br> the message.</p>

62
Q

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

A

<p> Acceptable Answer:<br></br> 65535</p>

64
Q

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

A

<p> Acceptable Answer:<br></br> FTP, File Transfer (or Transport) Protocol.</p>

64
Q

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

A

<p> Acceptable Answer:<br></br> SSH, Secure Shell.</p>

66
Q

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

A

<p> Acceptable Answer:<br></br> telnet</p>

66
Q

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

A

<p> Acceptable Answer:<br></br> SMTP, Simple Mail Transfer (or Transport) Protocol.</p>

67
Q

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

A

<p> Acceptable Answer:<br></br> HTTP, Hyper Text Transfer (or Transport) Protocol.</p>

69
Q

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

A

<p> Acceptable Answer:<br></br> HTTPS, Hyper Text Transfer (or Transport) Protocol Secure.</p>

69
Q

<p> Exam Question 321 (p.276):<br></br> What is a client?</p>

A

<p> Acceptable Answer:<br></br> A computer that makes requests.</p>

71
Q

<p> Exam Question 322 (p.276):<br></br> What is a server?</p>

A

<p> Acceptable Answer:<br></br> A computer that answers requests</p>

71
Q

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

A

<p> Acceptable Answer:<br></br> 80</p>

73
Q

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

A

<p> Acceptable Answer:<br></br> 443</p>

73
Q

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

A

<p> Acceptable Answer:<br></br> 21</p>

74
Q

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

A

<p> Acceptable Answer:<br></br> 25</p>

280 networking (6 decks)

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