Certification Questions

Q:

What is the purpose of flow control?

A) To ensure that data is retransmitted if an acknowledgment is not received B) To reassemble segments in the correct order at the destination device
C) To provide a means for the receiver to govern the amount of data sent by the sender D) To regulate the size of each segment
 
Answer & Explanation Answer: C) To provide a means for the receiver to govern the amount of data sent by the sender

Explanation:

Flow control allows the receiving device to control  the transmitter so the receiving device's buffer does not overflow.

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Filed Under: CCNA - CISCO Certification

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Q:

What must happen if a DHCP IP conflict occurs?

A) Proxy ARP will fix the issue B) The client uses a gratuitous ARP to fix the issue
C) The administrator must fix the conflict by hand at the DHCP server D) The DHCP server will reassign new IP addresses to both computers
 
Answer & Explanation Answer: C) The administrator must fix the conflict by hand at the DHCP server

Explanation:

If a DHCP Conflict is detected, either by the server sending a ping and getting response or by a host using a gratuitous ARP (arp'ing for its own IP address and seeing if a host responds), then the server will hold that address and not use it again until it is fixed by an administrator.

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Filed Under: CCNA - CISCO Certification

5 10562
Q:

The BEST definition of an event is?

A) An occurrence where a performance threshold has been exceeded and an agreed Service Level has already been impacted B) An occurrence that is significant for the management of the IT infrastructure or delivery of services
C) A known system defect that generates multiple incident reports D) A planned meeting of customers and IT staff to announce a new service or improvement program
 
Answer & Explanation Answer: B) An occurrence that is significant for the management of the IT infrastructure or delivery of services

Explanation:
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Filed Under: ITIL Certification

4 10122
Q:

A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20684570. Another route is from OSPF with a metric of 852. The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?

A. the OSPF route
B. the EIGRP route
C. the RIPv2 route
D. all three routes
E. the OSPF and RIPv2 routes

Answer

Answer : B


Explanation :


This is one of those tricky questions just to test your knowledge of routing protocols and their administrative distance. Let’s look at the AD of popular routing protocols below:
 Routing Protocol (Source)                           AdministrativeDistance(AD)                                                             


  Directly connected                                        0


  Static Route                                                  1


  EIGRP                                                           90


  Summary Route(EIGRP)                              5


  OSPF                                                           110


  RIP                                                              120


Fom the above table, you can see that EIGRP has the lowest AD from all of the above mentioned routing protocols. So, the router will choose to use the routing protocol which has lowest Administrative Distance which in this case is B. EIGRP

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4 9245
Q:

The ITIL V3 core is best described as?

A) An Operations Lifecycle B) A Service Lifecycle
C) An IT Management Lifecycle D) An Infrastructure Lifecycle
 
Answer & Explanation Answer: B) A Service Lifecycle

Explanation:
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Filed Under: ITIL Certification

3 9108
Q:

A statistical method for identifying which factors may influence specific variables of a product or process under development or in production is called

A) cost benefit analysis. B) sensitivity analysis.
C) cost of quality analysis. D) design of experiments.
 
Answer & Explanation Answer: D) design of experiments.

Explanation:
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Filed Under: PMP Certification

10 8808
Q:

How does an organization use Resources and Capabilities in creating value?

A) They are used to create value in the form of goods and services B) They are used to create value to the IT organization for Service Support
C) They are used to create value to the IT organization for Service Delivery D) They are used to create value in the form of output for production management
 
Answer & Explanation Answer: A) They are used to create value in the form of goods and services

Explanation:
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Filed Under: ITIL Certification

0 8723
Q:

What does the command confreg 0x2142 provide?

A) It is used to restart the router B) It is used to bypass the configuration in NVRAM
C) It is used to enter ROM monitor mode D) It is used to view the lost password
 
Answer & Explanation Answer: B) It is used to bypass the configuration in NVRAM

Explanation:

The default configuration setting is 0x2102, which tells the router to load the IOS from flash and the configuration from NVRAM. 0x2142 tells the router to bypass the configuration in NVRAM so that you can perform password recovery.

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Filed Under: CCNA - CISCO Certification

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