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New Cisco 200-105 Exam Dumps Collection (Question 3 - Question 12)

Q1. What are OSPF's default hello and dead timers? (Choose two)

A. The hello timer is 10 seconds.

B. The hello timer is 60 seconds.

C. The dead timer is 40 seconds.

D. The dead timer is 120 seconds.

E. The hello timer is 20 seconds.

Answer: A,C

Q2. What are two drawbacks of implementing a link-state routing protocol? (Choose two.)

A. the sequencing and acknowledgment of link-state packets

B. the high volume of link-state advertisements in a converged network

C. the requirement for a hierarchical IP addressing scheme for optimal functionality

D. the high demand on router resources to run the link-state routing algorithm

E. the large size of the topology table listing all advertised routes in the converged network

Answer: C,D

Q3. Which purpose of the network command in OSPF configuration mode is true?

A. It defines a wildcard mask to identify the size of the network.

B. It defines the area ID.

C. It defines the network by its classful entry.

D. It defines which networks are used for virtual links.

Answer: A

Q4. A network administrator is troubleshooting an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?

A. Router# show ip eigrp adjacency

B. Router# show ip eigrp topology

C. Router#show ip eigrp interfaces

D. Router#show ip eigrp neighbors

Answer: D

Explanation:

Implementing EIGRP http://www.ciscopress.com/articles/article.asp?p=1171169&seqNum=3

Below is an example of the show ip eigrp neighbors command. The retransmit interval (Smooth Round Trip Timer u2013 SRTT) and the queue counts (Q count, which shows the number of queued EIGRP packets) for the adjacent routers are listed:

R1#show ip eigrp neighbors

IP-EIGRP neighbors for process 1

H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num 0 10.10.10.2 Fa0/0 12 00:00:39 1282 5000 0 3

Q5. Which two of these statements regarding RSTP are correct? (Choose two.)

A. RSTP cannot operate with PVST+.

B. RSTP defines new port roles.

C. RSTP defines no new port states.

D. RSTP is a proprietary implementation of IEEE 802.1D STP.

E. RSTP is compatible with the original IEEE 802.1D STP.

Answer: B,E

Explanation:

http://www.cisco.com/en/US/tech/tk389/tk621/technologies_white_paper09186a0080094cf a.shtml

Port Roles

The role is now a variable assigned to a given port. The root port and designated port roles remain, while the blocking port role is split into the backup and alternate port roles. The Spanning Tree Algorithm (STA) determines the role of a port based on Bridge Protocol Data Units (BPDUs). In order to simplify matters, the thing to remember about a BPDU is there is always a method to compare any two of them and decide whether one is more useful than the other. This is based on the value stored in the BPDU and occasionally on the port on which they are received. This considered, the information in this section explains practical approaches to port roles.

Compatibility with 802.1D

RSTP is able to interoperate with legacy STP protocols. However, it is important to note that the inherent fast convergence benefits of 802.1w are lost when it interacts with legacy bridges.

Q6. What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two.)

A. hello packets

B. SAP messages sent by other routers

C. LSAs from other routers

D. beacons received on point-to-point links

E. routing tables received from other link-state routers

F. TTL packets from designated routers

Answer: A,C

Explanation:

Link State Routing Protocols http://www.ciscopress.com/articles/article.asp?p=24090&seqNum=4

Link state protocols, sometimes called shortest path first or distributed database protocols, are built around a well-known algorithm from graph theory, E. W. Dijkstra'a shortest path algorithm. Examples of link state routing protocols are:

Open Shortest Path First (OSPF) for IP

The ISO's Intermediate System to Intermediate System (IS-IS) for CLNS and IP DEC's DNA Phase V

Novell's NetWare Link Services Protocol (NLSP)

Although link state protocols are rightly considered more complex than distance vector

protocols, the basic functionality is not complex at all:

1. Each router establishes a relationshipu2014an adjacencyu2014with each of its neighbors.

2. Each router sends link state advertisements (LSAs), some

3. Each router stores a copy of all the LSAs it has seen in a database. If all works well, the databases in all routers should be identical.

4. The completed topological database, also called the link state database, describes a graph of the internetwork. Using the Dijkstra algorithm, each router calculates the shortest path to each network and enters this information into the route table.

Q7. Refer to the exhibit.

While troubleshooting a switch, you executed the show interface port-channel 1 etherchannel command and it returned this output. Which information is provided by the Load value?

A. the percentage of use of the link

B. the preference of the link

C. the session count of the link

D. the number source-destination pairs on the link

Answer: D

Q8. What is the minimum command to turn on encryption on SNMP?

A. SNMPV3authpriv

B. SMNPV3authnopriv

C. SNMPV3noauthpriv

D. SMNPV2authnopriv

E. SNMPV2NOAUTHPRIV

F. SNMPV2AUTHNOPRIV

Answer: A

Q9. Which type of interface can negotiate an IP address for a PPPoE client?

A. Ethernet

B. dialer

C. serial

D. Frame Relay

Answer: B

Q10. Refer to the exhibit.

Host A pings interface S0/0 on router 3, what is the TTL value for that ping?

A. 253

B. 252

C. 255

D. 254

Answer: A

Explanation:

From the CCNA ICND2 Exam book: u201cRouters decrement the TTL by 1 every time they forward a packet; if a router decrements the TTL to 0, it throws away the packet. This prevents packets from rotating forever.u201d I want to make it clear that before the router forwards a packet, the TTL is still remain the same. For example in the topology above, pings to S0/1 and S0/0 of Router 2 have the same TTL.

The picture below shows TTL values for each interface of each router and for Host B. Notice that Host A initializes ICMP packet with a TTL of 255:

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