iClicker Questions CNIT 201E

After 3.2

What OSI Model Layer performs encryption? A.Application B.Presentation C.Session D.Transport E.Some other layer 1 of 3

Which protocol is used to provide a terminal so commands can be typed in to control remote devices? A.DNS B.SMTP C.Telnet D.FTP E.HTTP 2 of 3

What OSI Model Layer can restore a connection that times out? A.Application B.Presentation C.Session D.Transport E.Some other layer 3 of 3

After 3.3

What protocol uses UDP ports 67 and 68? A.DNS B.SMTP C.Telnet D.DHCP E.FTP 1 of 5

Which DNS record is used to resolve a name like to an IP address like ,? A.A B.NS C.CNAME D.MX E.AAAA 2 of 5

What protocol uses GET, POST, and PUT methods? A.DNS B.SMTP C.HTTP D.DHCP E.FTP 3 of 5

What protocol uses TCP ports 20 and 21? A.DNS B.SMTP C.Telnet D.DHCP E.FTP 4 of 5

Which protocol can be used to move a file from a Unix server to a Windows client? A.SMB B.FTP C.HTTP D.SMTP E.All of the above 5 of 5

Lab Notes

Hands-on Labs Lab 3.4.1: Data Stream Capture Lab 3.4.1: Data Stream Capture You can do it at home if you have a microphone You can do it at home if you have a microphone Lab 3.4.2: Managing a Web server Lab 3.4.2: Managing a Web server You could do it at home, download apache from You could do it at home, download apache from Lab 3.4.3: Services and Protocols Lab 3.4.3: Services and Protocols Do it in the classroom or on NETLAB Do it in the classroom or on NETLAB

Binary Lesson 2 Bytes

Base Ten Normal Numbers Normal Numbers Each place has one of these values: Each place has one of these values: = 1* * = 1* * Or 1*10^2 + 4*10^1 + 7*10^0 Or 1*10^2 + 4*10^1 + 7*10^0

Base Ten Ones place Number of ones 10^0 Tens place Number of tens 10^1 Hundreds place Number of hundreds 10^2

Base Two Binary Numbers Binary Numbers Each place has one of these values: Each place has one of these values: = 1 * = 3 11 = 1 * = 3 Or 1*2^1 + 2^0 Or 1*2^1 + 2^0

Base Two Ones place Number of ones 2^0 Twos place Number of twos 2^1 Fours place Number of fours 2^2

Counting to 7 Base TwoBase Ten Base TwoBase Ten

Counting to 15 Base Two Base TenBase Two Base Ten Base Two Base TenBase Two Base Ten

Four Bits Make a Nybble s 4s2s1s

Eight Bits Make a Byte So this number is = 153 8s4s2s1s8s4s2s8s4s1s2s8s4s 16s32s 128s 64s16s32s64s16s32s

Binary iClicker Questions

What is 6 in binary? A B C D E of 6

What is 15 in binary? A B C D E of 6

What is 32 in binary? A B C D E of 6

What is 60 in binary? A B C D E of 6

What is in decimal? A.10 B.100 C.128 D.64 E.32 5 of 6

What is in decimal? A.87 B.109 C.111 D.127 E of 6

Binary Lesson 3 Hexadecimal

Counting to 15 Base Base Base 16 Base Base Base 16 Two Ten (Hex) Two Ten (Hex) A A B B C C D D E E F F

Four Bits Make a Nybble A nybble can be represented by one hexadecimal digit Values from 0 to 15, or 0 to F 8s 4s2s1s

Eight Bits Make a Byte So this number is = 153 8s4s2s1s8s4s2s8s4s1s2s8s4s 16s32s 128s 64s16s32s64s16s32s One nybble: 0 through F One nybble: 0 through F

Two hexadecimal digits make a byte So this number is $99 = 9* = = 153 One nybble: 0 through F # of 16s One nybble: 0 through F # of 1s

Binary iClicker Questions

What is 6 in hexadecimal? A.$0A B.$06 C.$60 D.$66 E.$A6 1 of 6

What is $15 in decimal? A.9 B.15 C.20 D.21 E.31 2 of 6

What is 32 in hexadecimal? A.$32 B.$20 C.$10 D.$24 E.$30 3 of 6

What is 63 in hexadecimal? A.$63 B.$60 C.$40 D.$3F E.$39 4 of 6

What is $F0 in decimal? A.15 B.150 C.255 D.240 E of 6

What is $80 in decimal? A.80 B.100 C.128 D.192 E of 6