Deck 4: Network and Security Management

Question 1

________ is the percentage of time that a network is available for use.

A)Availability
B)Downtime
C)QoS
D)none of the above

Answer 1

A

Question 2

Latency is usually measured in ________.

A)bits per second (bps)
B)milliseconds (ms)
C)minutes of downtime
D)none of the above

Answer 2

B

Question 3

Compared to network demand,network budgets are growing ________.

A)faster
B)as fast as it used to be
C)slower
D)both A and C

Answer 3

C

Question 4

When a packet travels through a network,the time it takes to get from the sender to the receiver is called ________.

A)latency
B)milliseconds
C)jitter
D)throughput

Question 5

In QoS,the S stands for ________.

A)software
B)security
C)service
D)satisfaction

Question 6

An SLA for latency should specify a ________.

A)maximum latency
B)minimum latency
C)both A and B
D)neither A nor B

Question 7

Jitter is a problem for ________.

A)downloading a file attached to an e-mail
B)e-mail
C)both A and B
D)neither A nor B

Question 8

An SLA for speed should specify a ________.

A)maximum speed
B)minimum speed
C)both A and B
D)neither A nor B

Question 9

An SLA should specify the ________.

A)best case
B)worst case
C)both A and B
D)neither A nor B

Question 10

In a coffee shop hot spot,the rated speed is 10 Mbps.Throughput is about half of the rated speed.There are ten people using the hot spot.You and three others are transmitting or receiving at a particular moment.What speed should you expect to get?

A)0)5 Mbps
B)1 Mbps
C)1)25 Mbps
D)2)5 Mbps

Question 11

Transmission speed is normally measured in ________.

A)bits per second
B)bytes per second
C)octet per second
D)none of the above

Question 12

QoS is quantified through ________.

A)criteria
B)consensus
C)metrics
D)none of the above

Question 13

Which of the following usually has higher availability?

A)data networks
B)Public Switched Telephone Network
C)Both of the above usually have equal availability.
D)neither A nor B

Question 14

Error rates can soar when the network traffic level ________.

A)is at a high level
B)is at an average level
C)is at a low level
D)none of the above

Question 15

An SLA for availability should specify a ________.

A)maximum availability
B)minimum availability
C)both A and B
D)neither A nor B

Question 16

Jitter is a problem for ________.

A)voice over IP (VoIP)
B)streaming media
C)both A and B
D)neither A nor B

Question 17

Users of an access point share the transmission capacity of the access point.The throughput a user gets is called the ________.

A)rated speed
B)aggregate throughput
C)individual throughput
D)all of the above

Question 18

Variability in delay is called ________.

A)jitter
B)variance
C)a QoS failure
D)latency

Question 19

Errors may substantially reduce throughput in ________.(Pick the standard most affected.)

A)IP
B)TCP
C)UDP
D)HTTP

Question 20

Throughput is ________.

A)the speed a network actually provides to users
B)a network's rated speed
C)both A and B
D)neither A nor B

Question 21

Vulnerabilities are occasionally found in even the best security products.Consequently,companies must ________.

A)have comprehensive security
B)have defense in depth
C)do risk analysis
D)only give minimum permissions

Question 22

Which of the following would receive the highest priority?

A)video packets
B)e-mail packets
C)World Wide Web packets
D)network management packets

Question 23

An SLA for jitter should specify a ________.

A)maximum jitter
B)minimum jitter
C)both A and B
D)neither A nor B

Question 24

Overprovisioning is ________.

A)wasteful of capacity
B)highly labor-intensive
C)both A and B
D)neither A nor B

Question 25

Companies should ________ single points of takeover.

A)eliminate
B)pay special attention to
C)multiply
D)authorize

Question 26

There is a single countermeasure in ________.

A)weakest links
B)defense in depth
C)both A and B
D)neither A nor B

Question 27

ISPs usually offer QoS guarantees to ________.

A)residential customers
B)business customers
C)both A and B
D)neither A nor B

Question 28

Priority is assigning high priority to ________ applications while giving low priority to ________ applications.

A)latency-tolerant, latency-intolerant
B)latency-intolerant, latency-tolerant

Question 29

Balancing threats against protection costs is called ________.

A)economic justification
B)risk analysis
C)comprehensive security
D)defense in depth

Question 30

A packet will definitely get through if it has ________.

A)QoS reserved capacity
B)priority
C)both A and B

Question 31

If throughput falls substantially below a QoS guaranteed speed,the ISP ________.

A)always pays a penalty
B)may pay a penalty
C)does not pay a penalty
D)may renegotiate the QoS guarantee for speed

Question 32

Which of the following is latency intolerant?

A)video
B)e-mail
C)both A and B
D)neither A nor B

Question 33

Overprovisioning means ________.

A)assigning high priority to latency-intolerant applications while giving low priority to latency-tolerant applications
B)adding much more switching and transmission line capacity than will be needed most of the time

Question 34

Priority addresses the problem of ________.

A)momentary traffic peaks
B)chronic under-capacity
C)both A and B
D)neither A nor B

Question 35

Which of the following is NOT one of the four major security planning principles?

A)perimeter defense
B)risk analysis
C)comprehensive security
D)defense in depth

Question 36

Momentary traffic peaks can lead to ________.

A)latency
B)packet loss
C)both A and B
D)neither A nor B

Question 37

Compared to other methods for reducing problems during momentary traffic peaks,overprovisioning ________.

A)increases capital cost
B)increases labor costs
C)both A and B
D)neither A nor B

Question 38

An attacker must break through two firewalls to get to a host.This illustrates the principle called ________.(Select the most specific answer.)

A)comprehensive security
B)risk assurance
C)having a DMZ
D)defense in depth

Question 39

Attackers only need to find a single weakness to break in.Consequently,companies must ________.

A)have comprehensive security
B)have insurance
C)do risk analysis
D)only give minimum permissions

Question 40

Which phase of the plan-protect-respond cycle takes the largest amount of work?

A)plan
B)protect
C)respond
D)The phases require about equal amounts of effort.

Question 41

SNMP agents can initiate ________.

A)Get commands
B)traps
C)both A and B
D)neither A nor B

Question 42

SNMP Set commands can ________.

A)ask agents for information about the managed device
B)reroute traffic
C)both A and B
D)neither A nor B

Question 43

Attacking your own firm occurs in ________.

A)vulnerability testing
B)auditing
C)both A and B
D)neither A nor B

Question 44

Which of the following is true?

A)Guidelines must be followed.
B)Guidelines must be considered.
C)both A and B
D)neither A nor B

Question 45

Creating switching tables is an example of ________.

A)forwarding
B)routing complexity
C)hardwiring
D)control

Question 46

To determine if a host is reachable,you would send a(n)________.

A)SNMP SET command
B)MIB
C)trap
D)ping

Question 47

A policy specifies ________.

A)what should be done
B)how to do it
C)both A and B
D)neither A nor B

Question 48

Oversight activities include ________.

A)vulnerability testing
B)creating guidelines
C)both A and B
D)neither A nor B

Question 49

SNMP ________ commands can change how managed devices operate.

A)Get
B)Set
C)both A and B
D)neither A nor B

Question 50

Policies should drive ________.

A)implementation
B)oversight
C)both A and B
D)neither A nor B

Question 51

Actions that people are allowed to take on a resource come under the heading of ________.

A)hacks
B)authorizations
C)exploits
D)risks

Question 52

In SNMP,the manager communicates directly with the managed device.

Question 53

Control is done on individual switches and routers in ________.

A)traditional operation
B)SDN
C)both A and B
D)neither A nor B

Question 54

Policies are separated by implementation to take advantage of ________.

A)implementer knowledge
B)the delegation of work principle
C)minimum permissions

Question 55

Implementation guidance is less specific than ________.

A)policy
B)implementation
C)standards
D)none of the above

Question 56

Another term for authorization is ________.

A)authentication
B)token
C)establishing the creator of a file
D)permission

Question 57

If someone has been properly authenticated,they should receive ________ permissions.

A)all
B)no
C)maximum
D)minimum

Question 58

Which of the following must be followed?

A)standards
B)guidelines
C)both A and B
D)neither A nor B

Question 59

The SNMP manager stores the information it receives from Get commands ________.

A)in the MIB
B)on the agent
C)on the managed device
D)in the cloud

Question 60

Which of the following specifies what should be done?

A)policies
B)implementation
C)both A and B
D)neither A nor B

Question 61

In SDN,which device manages the control function for individual devices?

A)SNMP manager console
B)forwarding device itself
C)SDN policy server
D)SDN controller

Question 62

Which of the following is the easiest to understand?

A)firewall hardware
B)firewall ACLs
C)firewall policies
D)firewall IDSs

Question 63

When a firewall policy server is used to manage SPI firewalls,what device creates specific ACL rules?

A)the policy server
B)the SNMP manager
C)individual firewalls
D)none of the above

Question 64

SDN holds the promise of bringing ________.

A)lower cost
B)lower agility
C)both A and B
D)neither A nor B