CCDP 642 - 871: Section 2
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1. How would you define a fault tolerant device?
A.
A backup path exists for every link between the client and the server.
B.
Key components can be hot-swapped.
C.
A backup device exists for every device between the client and the server.
D.
Devices in the network can be hot-swapped without interrupting the network operation.
E.
The device provides redundant backup within the device for each of its key components.
2. Which of the following characteristics do you need to take into account when analyzing an application? (Choose all that apply.)
A.
Bandwidth, loss tolerance, and delay characteristics
B.
Server speed
C.
Number of servers and users
D.
Application type
E.
User’s operating system
F.
Server operating system
G.
All of the above.
3. Which step in new network design, follows after the application and data requirements have been determined?
A.
Design the physical network.
B.
Design the logical network.
C.
Select the IP addressing strategy and numbering.
D.
Setting priorities with regard to IP addressing
E.
Select the routing protocols.
4. Your administrator asks you to characterize Layer 3 switching.
What should you tell him? (Select three).
B.
support flat networks
C.
supports complex routing in hierarchical networks
D.
supports simple implementation
E.
supports equal cost routing
F.
supports load balancing
5. Which three objectives would be met by designing Layer 3 switching in the Campus Backbone of a medium size installation? (Choose three)
A.
Scale to a larger size.
B.
Increase router peering.
C.
Provide a flexible topology with no spanning tree loops.
D.
Control broadcasts in the backbone.
E.
Reduce complexity.
6. Which action indicates the optimal level of functional process recovery in a high availability architecture?
A.
Failure of a networking component is automatically detected.
B.
The end-users are unaware that a failure has occurred.
C.
The ailing component fails-over to an alternate component.
D.
Automated alert mechanisms generate a dispatch for service.
E.
Monitoring tools generate alert messages when a less than optimal condition occurs.
7. Ivan works as a network administrator at company. She is currently utilizing CiscoWorks LAN Management Solution (LMS) as part of the enterprise network management strategy.
Which tools of LMS provides topology, VLAN management, and user tracking for Cisco Catalyst switches?
A.
Device Fault Manager
B.
Campus Manager
C.
nGenious Real Time Monitor
D.
Resource Manager Essentials
E.
CiscoView
8. Your newly appointed TestKing trainee wants to know which of the following is a primary tool providing perimeter security to a network.
What would your reply be?
A.
LAPD
B.
Kerberos
C.
VPN
D.
L2TP
E.
Content filter
9. An administrator is securing the building access module of the network and does not want users on the same subnet to be able to communicate without passing through a Layer 3 device first.
Which should the administrator do?
A.
Build PACLs to filter and direct traffic.
B.
Build RACLs to filter and direct traffic.
C.
Place each user on an isolated private VLAN port.
D.
Place each user on a company private VLAN port.
E.
Place each user on a promiscuous private VLAN port.
10. Which aspects are significant when planning a network design for high availability? (Choose all that apply.)
A.
Company size
B.
Performance requirements
C.
Hardware costs
D.
Cost of downtime
E.
All of the above.
11. Why is it beneficial to design high availability networks based on a redundant network topology? (Choose all that apply.)
A.
The cost of the network is reduced.
B.
Internet connection is obsolete.
C.
The traffic load can be shared between primary and secondary paths.
D.
Network availability is precarious.
E.
Redundant topologies are easier to manage and troubleshoot.
F.
The probability of problems with the physical environment interrupting service is reduced.
12. With which of the following high availability architecture must good software version control as well as device configuration control be included?
A.
Network design
B.
Operational best practices
C.
Fault tolerance
D.
Device-level hardware reliability
E.
Fault management and diagnosis
13. You are a network administrator at company. You have designed a high availability network based on a redundant network topology. Your newly appointed trainee wants to know what the main disadvantage of this design is.
What will your reply be?
A.
Many routing protocols do not support redundant topologies.
B.
Network delay can vary between the primary and secondary paths.
C.
The secondary path cannot automatically take over for the primary path.
D.
The traffic load cannot be shared between primary and secondary paths.
E.
Redundant topologies are more costly and can be more difficult to manage.
14. What is high availability?
A.
Redundant infrastructure
B.
Clustering of computer systems
C.
Reduced MTBF
D.
Continuous operation of computing systems
15. What is a key trade-off when achieving high availability?
A.
Cost
B.
Hardware
C.
Reliability
D.
Processing power
16. Which of the following symptoms are experienced when one fails to check the LAN/WAN utilization before implementing a VoIP design?
A.
An improper codec selection.
B.
The data link being flooded.
C.
An echo due to excessive delays.
D.
A negative progression in the probability of call blocking.
17. Which of the following would you implement at remote locations for failover purposes when working in a centralized call-processing model?
A.
SNAP
B.
SRST
C.
CHAP
D.
HSRP
E.
PSTN
18. What are the two most significant disadvantages of designing a high availability network solely based on fault tolerant devices? (Choose two)
A.
Redundant subsystem within devices add to costs.
B.
Redundant subsystem cannot be managed remotely.
C.
Redundant subsystem increase the cost of network configuration.
D.
Redundant subsystem may become obsolete without ever being used.
E.
Redundant subsystem that are maintained in hot standby mode cannot contribute additional performance.
19. You are creating a high availability architecture for a client with a limited budget.
Which network equipment has lowest priority for redundancy?
A.
Core switches
B.
Access routers
C.
Access servers
D.
Distribution switches
E.
Server access switches
F.
End-user access switches
20. If a switch fabric is currently maintaining a percentage availability of .9995 and the route processor has a percentage availability of .9997, what is the current system availability?
A.
.9992
B.
.9996
C.
.9997
D.
1.999