Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

IT280 Reviewer > E7 Tools > Flashcards

E7 Tools Flashcards

1
Q

What does intermittent mean?

A

sometimes it happens. sometimes it does not happen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does a successful ping prove?

A

All the pieces involved were working AT THAT MOMENT.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does a failed ping prove?

A

ONE OR MORE pieces involved were not working at that moment.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What one statistic does ping report?

A

latency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Using ping to troubleshoot, conventional wisdom says you should ping what first?

A

yourself, using your localhost address: 127.0.0.1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Using ping to troubleshoot, conventional wisdom says you should ping what second?

A

yourself, using your LAN address

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Using ping to troubleshoot, conventional wisdom says you should ping what third?

A

something else inside your LAN, typically your router or gateway

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Using ping to troubleshoot, conventional wisdom says you should ping
what fourth?

A

something beyond your LAN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is localhost?

A

Localhost is the computer you are using.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the IPv4 address of localhost?

A

127.0.0.1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What things does a successful ping to localhost prove?

A

Your network stack (software) is working.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How can you (the user) find your IP address?

A

Use ipcong (or ifcong)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What things does a successful ping to your own LAN address prove?

A
  1. Your network stack (software) is working and 2. your network card
    (hardware) is working.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What things does a successful ping to your neighbor prove?

A
  1. Your network stack (software) is working. 2. Your network card (hardware) is working. Your neighbor computer is working
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a smurf attack?

A

A broadcast ping with a fake source address.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is a broadcast ping with a fake source address called?

A

A smurf attack

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What information can a broadcast ping provide?

A

(a) IP addresses and (b) latencies of all devices within your LAN.

18
Q

What IP address is used for global broadcast?

A

255.255.255.255

19
Q

What things does a successful ping to something beyond your LAN prove?

A
  1. Your network stack (software) is working. 2. Your network card (hardware) is working. 3. Your connection (cable) is working. 4 Your gateway router is working.
20
Q

What two things does traceroute report?

A

(a) The list of routers between source and destination. (b) The latency
for each router.

21
Q

What does TTL stand for?

A

time to live

22
Q

What is the purpose of TTL?

A

TTL stops innite loops.

23
Q

How does traceroute use TTL?

A

It sends packets with varying TTL counts. As each packets dies, its location of death is reported

24
Q

What does FTP stand for?

A

file transfer protocol

25
Q

Is FTP considered to be secure? Why?

A

No. Trac (data) is not encrypted.

26
Q

Which is more secure, ssh or ftp?

A

ssh

27
Q

Which is more widely available, ssh or ftp?

A

ftp

28
Q

What port does ftp normally use?

A

21

29
Q

Is telnet considered to be secure? Why?

A

No. Trac (data) is not encrypted.

30
Q

Is ssh considered to be secure? Why?

A

Yes. Trac (data) is encrypted.

31
Q

Which is more secure, ssh or telnet?

A

telnet

32
Q

What port does telnet normally use?

A

23

33
Q

What is telnetd?

A

telnet daemon

34
Q

What is a daemon?

A

A daemon is a program that interacts with other programs instead of
interacting with an end user.

35
Q

In a program name, what does the sux d usually mean?

A

daemon

36
Q

What port does ssh normally use?

A

22

37
Q

What does ssh stand for?

A

secure shell

38
Q

How does ssh establish a secure connection?

A

It uses a public-key system like RSA to create a shared secret.

39
Q

Which is more current, nslookup or dig?

A

dig

40
Q

What does deprecated mean?

A

being phased out

41
Q

What does Wireshark do?

A

It captures data that is passing through a nearby interface

IT280 Reviewer (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions