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devry-sec450-final-exam-2016

Mar 23

Question 1. 1. (TCO 1) The component of network security
that ensures that authorized users have access to data and network resources is
_____. (Points : 6)

data integrity

data
confidentiality

data and system
availability

data and user
authentication

Question 2. 2. (TCO 1) The type of security control that
makes use of firewalls is called _____. (Points : 6)

administrative

physical

technical

clerical

Question 3. 3. (TCO 2) To configure a role-based CLI on a
Cisco router, the first command to enter in privileged mode is _____. (Points :
6)

parser view

view enable

enable view

config view

super view

Question 4. 4. (TCO 2) The show running-config output can be
modified using all of the following pipes except for _____. (Points : 6)

| begin

| end

| include

| exclude

Question 5. 5. (TCO 3) Which of the following is the default
number of MAC addresses allowed when you execute the switchport port-security
command on a switch port? (Points : 6)

Zero

One

Two

Three

Question 6. 6. (TCO 3) Which switch feature causes a port to
skip the listening and learning states, causing the port to enter the
forwarding state very quickly? (Points : 6)

fastport

portfast

enablefast

portforward

Question 7. 7. (TCO 4) With zone-based firewalls, which of
the following is used to specify actions to be taken when traffic matches a
criterion? (Points : 6)

Zones

Class maps

Policy maps

Zone pairs

Question 8. 8. (TCO 4) Which type of access list uses rules
placed on the interface where allowed traffic initiates and permits return
traffic for TCP, UDP, SMTP, and other protocols? (Points : 6)

Established

Lock and key

Reflexive

CBAC

Question 9. 9. (TCO 5) Which AAA server protocol offers support
for ARAP and NETBEUI protocols as well as IP? (Points : 6)

CSACS

RADIUS

OpenACS

TACACS+

Question 10. 10. (TCO 5) Which of the following is not
considered a component of AAA? (Points : 6)

Authentication

Authorization

Accounting

Administration

Question 11. 11. (TCO 6) The Cisco IOS command that will
display all current IKE security associations (SAs) is _____. (Points : 6)

show crypto
ipsec

show crypto
isakmp

show crypto
ipsec sa

show crypto
isakmp sa

show crypto ike
sa

Question 12. 12. (TCO 6) The Cisco IOS firewall crypto
isakmp policy mode command that will set the isakmp security association
lifetime is _____. (Points : 6)

lifetime {days}

lifetime
{seconds}

set lifetime
{days}

set lifetime
{seconds}

Question 13. 13. (TCO 7) Cisco routers implementing IPS can
save IPS events in a Syslog server by executing which of the following
commands? (Points : 6)

ip ips log {IP
Address}

ip ips notify
syslog

ip ips notify
log

ip ips notify
sdee

Question 14. 14. (TCO 7) Which of the following is not an
action that can be performed by the IOS firewall IDS router when a packet or
packet stream matches a signature? (Points : 6)

Drop the packet
immediately.

Send an alarm
to the Cisco IOS designated Syslog server.

Set the packet
reset flag and forward the packet through.

Block all
future data from the source of the attack for a specified time.

Question 15. 15. (TCO 1) Explain how to mitigate a Smurf
attack. (Points : 24)

Question 16. 16. (TCO 2) Type the global configuration mode
and line configuration mode commands that are required to secure the VTY lines
0 through 15 to use the local username admin with the encrypted password
adminpass for remote Telnet or SSH log-ins to the Cisco router. (Points : 24)

Question 17. 17. (TCO 3) What are at least two best
practices that should be implemented for unused ports on a Layer 2 switch for
switch security? (Points : 24)

Question 18. 18. (TCO 4) Given the commands shown below and
assuming F0/0 is the inside interface of the network, explain what this ACL
does.

access-list 100 permit tcp any any eq 80 time-range MWF

time-range MWF

periodic Monday
Wednesday Friday 8:00 to 17:00

time-range

absolute start 00:00
30 Sept 2014 end 01:00 30 Sept 2014

int f0/0

ip access-group 100
in Correct Answer: (Points : 24)

Question 19. 19. (TCO 5) Type two global configuration mode
commands that enable AAA authentication and configure a default log-in method
list. Use a TACACS+ server first, then a local username and password, and
finally the enable password. (Points : 24)

Question 20. 20. (TCO 6) Discuss the data encryption
algorithms DES and 3DES. Discuss the key lengths, and rank the algorithms in
order of best security. (Points : 24)

Question 21. 21. (TCO 7) Explain the two benefits of Cisco
IPS version 5.x signature format over the Cisco IPS version 4.x signature
format. (Points : 22)

  

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