GSEC EXAM QUESTIONS WITH CORRECT
ANSWERS
How |many |bits |are |in |the |NETWORK |portion |of |the |following |address |block:
Address: |10.1.0.0
Subnet: |255.255.255.224
A. |27
B. |32
C. |24
D. |29 |- |CORRECT |ANSWER✔✔-A. |27
What |class |is |the |address |170.19.82.45?
A. |Class |C
B. |Class |A
C. |Class |B
D. |Class |D |- |CORRECT |ANSWER✔✔-C. |Class |B
Which |utility |makes |use |of |ICMP |to |function?
A. |traceroute
B. |whasup
C. |icmpstat
D. |netstat |- |CORRECT |ANSWER✔✔-A. |traceroute
,In |the |network |192.168.5.0/23, |what |would |be |the |broadcast |address?
A. |192.168.4.0
B. |192.168.1.0
C. |192.168.5.255
D. |192.168.255.255 |- |CORRECT |ANSWER✔✔-C. |192.168.5.255
In |the |address |ab00:fc87:234a:0090:5120:ffab:bc8a:0098/23, |what |does |the |/23 |indicate?
A. |The |address |of |the |router
B. |The |number |of |bits |in |the |network |portion |of |the |address
C. |The |position |in |the |address |where |the |messages |should |be |sent
D. |The |host |address |- |CORRECT |ANSWER✔✔-B. |The |number |of |bits |in |the |network |portion |of |
the |address
With |the |following |IP |header, |what |is |the |destination |IP |address: |
45 |00 |03 |3D |1E |EB |40 |00 |40 |06 |5D |E8 |C0 |A8 |01 |16 |AD |C2 |4B |67
A. |192.168.1.38
B. |173.195.74.108
C. |103.75.194.137
D. |173.194.75.103 |- |CORRECT |ANSWER✔✔-D. |173.194.75.103
If |you |see |the |IP |address |fe80::0050:8790:4554:2300/16, |the |:: |indicates |what?
,A. |There |are |0s |between |the |::.
B. |This |is |a |delimiter |between |addresses.
C. |This |indicates |empty |space.
D. |There |are |1s |between |the |::. |- |CORRECT |ANSWER✔✔-A. |There |are |0s |between |the |::.
What |can |you |say |about |the |following |packet |capture?
14:18:25.906002 |apollo.it.luc.edu.1000 |> |x-terminal.shell: |S
1382726990:1382726990(0) |win |4096
14:18:26.094731 |x-terminal.shell |> |apollo.it.luc.edu.1000: |S
2021824000:2021824000(0) |ack |1382726991 |win |4096
14:18:26.172394 |apollo.it.luc.edu.1000 |> |x-terminal.shell: |R
1382726991:1382726991(0) |win |0
14:18:26.507560 |apollo.it.luc.edu.999 |> |x-terminal.shell: |S
1382726991:1382726991(0) |win |4096
14:18:26.694691 |x-terminal.shell |> |apollo.it.luc.edu.999: |S
2021952000:2021952000(0) |ack |1382726992 |win |4096
14:18:26.775037 |apollo.it.luc.edu.999 |> |x-terminal.shell: |R
1382726992:1382726992(0) |win |0
14:18:26.775395 |apollo.it.luc.edu.999 |> |x-terminal.shell: |R
1382726992:1382726992(0) |win |0
14:18:27.174846 |x-terminal.shell |> |apollo.it.luc.edu.998: |S
2022080000:2022080000(0) |ack |1382726993 |win |4096
A. |This |is |a |SYN |flood.
B. |These |are |unexpected |messages.
, C. |This |is |a |sequence |numbe |- |CORRECT |ANSWER✔✔-C. |This |is |a |sequence |number |prediction
|attack.
What |is |the |order |of |messages |in |a |three-way |handshake?
A. |SYN, |ACK, |ACK
B. |SYN, |SYN/ACK, |ACK
C. |SYN/ACK, |ACK, |SYN
D. |ACK, |SYN, |ACK |- |CORRECT |ANSWER✔✔-B. |SYN, |SYN/ACK, |ACK
Which |of |the |following |is |a |private |address |(RFC1918)?
A. |1.1.1.1 |
B. |192.192.192.1
C. |10.45.60.10
D. |128.15.29.0 |- |CORRECT |ANSWER✔✔-C. |10.45.60.10
A |good |example |of |a |network |using |a |mesh |topology |is:
A. |The |Internet
B. |A |bus |network
C. |Switched |networks
D. |Hybrid |networks |- |CORRECT |ANSWER✔✔-A. |The |Internet
This |type |of |routing |protocol |uses |the |same |algorithm |as |the |navigation |system |in |your |car.
ANSWERS
How |many |bits |are |in |the |NETWORK |portion |of |the |following |address |block:
Address: |10.1.0.0
Subnet: |255.255.255.224
A. |27
B. |32
C. |24
D. |29 |- |CORRECT |ANSWER✔✔-A. |27
What |class |is |the |address |170.19.82.45?
A. |Class |C
B. |Class |A
C. |Class |B
D. |Class |D |- |CORRECT |ANSWER✔✔-C. |Class |B
Which |utility |makes |use |of |ICMP |to |function?
A. |traceroute
B. |whasup
C. |icmpstat
D. |netstat |- |CORRECT |ANSWER✔✔-A. |traceroute
,In |the |network |192.168.5.0/23, |what |would |be |the |broadcast |address?
A. |192.168.4.0
B. |192.168.1.0
C. |192.168.5.255
D. |192.168.255.255 |- |CORRECT |ANSWER✔✔-C. |192.168.5.255
In |the |address |ab00:fc87:234a:0090:5120:ffab:bc8a:0098/23, |what |does |the |/23 |indicate?
A. |The |address |of |the |router
B. |The |number |of |bits |in |the |network |portion |of |the |address
C. |The |position |in |the |address |where |the |messages |should |be |sent
D. |The |host |address |- |CORRECT |ANSWER✔✔-B. |The |number |of |bits |in |the |network |portion |of |
the |address
With |the |following |IP |header, |what |is |the |destination |IP |address: |
45 |00 |03 |3D |1E |EB |40 |00 |40 |06 |5D |E8 |C0 |A8 |01 |16 |AD |C2 |4B |67
A. |192.168.1.38
B. |173.195.74.108
C. |103.75.194.137
D. |173.194.75.103 |- |CORRECT |ANSWER✔✔-D. |173.194.75.103
If |you |see |the |IP |address |fe80::0050:8790:4554:2300/16, |the |:: |indicates |what?
,A. |There |are |0s |between |the |::.
B. |This |is |a |delimiter |between |addresses.
C. |This |indicates |empty |space.
D. |There |are |1s |between |the |::. |- |CORRECT |ANSWER✔✔-A. |There |are |0s |between |the |::.
What |can |you |say |about |the |following |packet |capture?
14:18:25.906002 |apollo.it.luc.edu.1000 |> |x-terminal.shell: |S
1382726990:1382726990(0) |win |4096
14:18:26.094731 |x-terminal.shell |> |apollo.it.luc.edu.1000: |S
2021824000:2021824000(0) |ack |1382726991 |win |4096
14:18:26.172394 |apollo.it.luc.edu.1000 |> |x-terminal.shell: |R
1382726991:1382726991(0) |win |0
14:18:26.507560 |apollo.it.luc.edu.999 |> |x-terminal.shell: |S
1382726991:1382726991(0) |win |4096
14:18:26.694691 |x-terminal.shell |> |apollo.it.luc.edu.999: |S
2021952000:2021952000(0) |ack |1382726992 |win |4096
14:18:26.775037 |apollo.it.luc.edu.999 |> |x-terminal.shell: |R
1382726992:1382726992(0) |win |0
14:18:26.775395 |apollo.it.luc.edu.999 |> |x-terminal.shell: |R
1382726992:1382726992(0) |win |0
14:18:27.174846 |x-terminal.shell |> |apollo.it.luc.edu.998: |S
2022080000:2022080000(0) |ack |1382726993 |win |4096
A. |This |is |a |SYN |flood.
B. |These |are |unexpected |messages.
, C. |This |is |a |sequence |numbe |- |CORRECT |ANSWER✔✔-C. |This |is |a |sequence |number |prediction
|attack.
What |is |the |order |of |messages |in |a |three-way |handshake?
A. |SYN, |ACK, |ACK
B. |SYN, |SYN/ACK, |ACK
C. |SYN/ACK, |ACK, |SYN
D. |ACK, |SYN, |ACK |- |CORRECT |ANSWER✔✔-B. |SYN, |SYN/ACK, |ACK
Which |of |the |following |is |a |private |address |(RFC1918)?
A. |1.1.1.1 |
B. |192.192.192.1
C. |10.45.60.10
D. |128.15.29.0 |- |CORRECT |ANSWER✔✔-C. |10.45.60.10
A |good |example |of |a |network |using |a |mesh |topology |is:
A. |The |Internet
B. |A |bus |network
C. |Switched |networks
D. |Hybrid |networks |- |CORRECT |ANSWER✔✔-A. |The |Internet
This |type |of |routing |protocol |uses |the |same |algorithm |as |the |navigation |system |in |your |car.