Latest [Sep 25, 2021] 400-101 Exam with Accurate CCIE Routing and Switching Written Exam PDF Questions
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NEW QUESTION 71
A host on an Ethernet segment has a different subnet mask than the default gateway What can be done to allow it to communicate with devices outsidt of this subnet?
- A. Enable proxy ARP on the default gateway
- B. Configure a static route for the host on the default gateway.
- C. Configure a static ARP entry on the default gateway for the host IP address
- D. Enable gratuitous ARP on the host
Answer: A
NEW QUESTION 72
Which information is contained in an OSPF Type 7 Not-So-Stubby Area NSSA External LSA?
- A. The address of routers that connect the current area to other areas and the cost to reach those routers.
- B. The external network address,mask,and cost to reach networks that are external to the OSPF NSSA,including the default route.
- C. The path and costs to reach other stub area border routers in the OSPF routing domain.
- D. The paths and costs to all OSPF NSSA areas that are external to the current area.
- E. External network address,mask,and cost to reach each network that is external to the OSPF domain and only within the NSSA
Answer: E
NEW QUESTION 73
Which two statements about QoS marking are true? (Choose two.)
- A. It requires Cisco Express Forwarding to be enabled on the sending interface and the receiving interface.
- B. It is supported on tunnel interfaces.
- C. It is supported on Fast EtherChannel and ATM SVC interfaces.
- D. It can use3 a table map to mark traffic.
- E. The set discard-class command can be configured for ATM and MPLS protocols.
Answer: A,B
NEW QUESTION 74
How can you configure your network to prevent TCP starvation?
- A. Separate TCP and UDP traffic into different queues.
- B. Enable WRED on the service provider class.
- C. Mark all traffic in accordance with your service providers QoS criteria.
- D. Configure LLQ for all TCP application traffic.
Answer: B
NEW QUESTION 75
Which problem can result when private AS numbers are included in advertisements that are sent to the global Internet BGP table?
- A. The prefixes sent with private AS numbers are always tagged as invalid on the Internet.
- B. The prefixes sent with private AS numbers are sometimes tagged as invalid on the Internet.
- C. The prefixes sent with private AS numbers are always discarded on the Internet.
- D. The prefixes sent with private AS numbers lack uniqueness, which can lead to a loss of connectivity.
Answer: D
Explanation:
Explanation/Reference:
http://www.ensurepass.com
NEW QUESTION 76
How are the Cisco Express Forwarding table and the FIB related to each other?
- A. The Cisco Express Forwarding table allows route lookups to be forwarded to the route processor for processing before they are
- B. There can be only one FIB but multiple Cisco Express Forwarding tables on IOS devices.
- C. Cisco Express Forwarding uses a FIB to make IP destination prefix-based switching decisions.
- D. The FIB is used to populate the Cisco Express Forwarding table.
Answer: C
NEW QUESTION 77
What are two of the commands that you can enter to gracefully shut down OSPF and notify neighbors?
(Choose two.)
- A. router(config)#ip notify
- B. router(config-router)#shutdown
- C. router(config-if)#ip ospf shutdown
- D. router(config-router)#graceful shutdown
- E. router(config-if)#ip ospfgraceful shutdown
Answer: B,C
NEW QUESTION 78
Which Cisco IOS XE process administers routing and forwarding?
- A. Forwarding manager
- B. Interface manager
- C. Cisco IOS
- D. Host manager
Answer: C
Explanation:
Some of the processes are listed in the table below:
Process Purpose Affected FRUs SubPackage Mapping
Host Manager Provides an interface between the IOS process and many of the information-gathering functions of the underlying platform kernel and operating system.
RP (one instance per RP) SIP (one instance per SIP) ESP (one instance per ESP) RPControl
SIPBase
ESPBase Interface Manager Provides an interface between the IOS process and the per-SPA interface processes on the SIP. RP (one instance per RP) SIP (one instance per SIP) RPControl
SIPBase IOS The IOS process implements all forwarding and routing features for the router. RP (one per software redundancy instance per RP). Maximum of two instances per RP. RPIOS Forwarding Manager Manages the downloading of configuration to each of the ESPs and the communication of forwarding plane information, such as statistics, to the IOS process. RP (one per software redundancy instance per RP). Maximum of two instances per RP. ESP (one per ESP) RPControl
ESPBase
Reference: http://www.cisco.com/c/en/us/td/docs/routers/asr1000/configuration/guide/chassis/asrswcfg /Software_Packaging_Architecture.html
NEW QUESTION 79
Refer to the exhibit.
Which action will solve the error state of this interface when connecting a host behind a Cisco IP phone?
- A. Enable errdisable recovery for security violation errors
- B. Enable port security on this interface
- C. Configure dot1x-port control auto on this interface
- D. Configure multidomain authentication on this interface
Answer: D
Explanation:
In single-host mode, a security violation is triggered when more than one device are detected on the data vlan. In
multidomain authentication mode, a security violation is triggered when more than one device are detected on the
data or voice VLAN. Here we see that single host mode is being used, not multidomain mode.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/12-
2/50sg/configuration/guide/Wrapper-46SG/dot1x.html#wp1309041
NEW QUESTION 80 
Refer to the exhibit. What will be the IP MTU of tunnel 0?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: E
NEW QUESTION 81
DRAG DROP
Answer:
Explanation:
NEW QUESTION 82
Which two functions are performed by the DR in OSPF? (Choose two.)
- A. The DR forms adjacencies with all other OSPF routers on the network, in order to synchronize the LSDB across the adjacencies.
- B. The DR is responsible for originating the type 4 LSAs into one area.
- C. The DR originates the network LSA on behalf of the network.
- D. The DR is responsible for the flooding throughout one OSPF area.
Answer: A,C
Explanation:
The DR originates the network LSA (LSA Type 2) which lists all the routers on the segment it is
adjacent to -> A is correct.
Types 2 are ooded within its area only; does not cross ABR -> B is incorrect.
The broadcast and non-broadcast network types elect a DR/BDR. They form adjacencies to all other OSPF routers on the network and help synchronize the Link State Database (LSDB) across the adjacencies -> C is correct. LSAs Type 4 are originated by the ABR to describe an ASBR to routers in other areas so that routers in other areas know how to get to external routes through that ASBR -> D is incorrect.
NEW QUESTION 83
Drag and drop the BGP attribute on the left to the correct category on the right.
Select and Place:
Answer:
Explanation:
NEW QUESTION 84
Which object tracking function tracks the combined states of multiple objects?
- A. application
- B. stub-object
- C. interface
- D. list
Answer: D
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 85
Which two ntatementn about the C-bit and PW type are true? (Choone two.)
- A. The C-bit net to 1 indicaten a control word in prenent.
- B. The PW type indicaten the encryption type.
- C. The C-bit in 3 bitn and the PW type in 10 bitn.
- D. The PW type indicaten the type of pneudowire.
- E. The C-bit in 1 byte and the PW type in 15 byten.
Answer: A,D
Explanation:
The control word carrien generic and Layer 2 payload-npecific information. If the C-bit in net to 1, the advertining PE
expectn the control word to be prenent in every pneudowire packet on the pneudowire that in being nignaled. If the C-
bit in net to 0, no control word in expected to be prenent.
Pneudowire Type-PW Type in a 15-bit field that reprenentn the type of pneudowire.
Reference: http://www.cincoprenn.com/articlen/article.anp?p=386788&neqNum=2
NEW QUESTION 86
Refer to the exhibit.
What will be the extended community value of this route?
- A. RT:200:9999
- B. RT:200:3000
- C. RT:200:9999 RT:200:3000
- D. RT:200:3000 RT:200:9999
Answer: A
Explanation:
Here the route map is being used to manually set the extended community RT to 200:9999
NEW QUESTION 87
Which feature forces a new Diffie-Hellman key exchange each time data is transmitted over a IPsec tunnel?
- A. CRACK authentication
- B. 802.1x
- C. rsa-encr authentication
- D. PFS
- E. rsa-sig authentication
Answer: D
NEW QUESTION 88
Packets from a router with policy-based routing configured are failing to reach the next hop.
Which two additions can you make to the router configuration to enable the packets to flow correctly? (Choose two.)
- A. Add a match-any permit statement to the route map.
- B. Specify the next hop as an address.
- C. Enable ip proxy-arp on the exiting interface.
- D. Specify the next hop as an interface.
Answer: B,C
NEW QUESTION 89
What are two of the commands that you can enter to gracefully shut down OSPF and notify neighbors? (Choose two)
- A. router(config)# ip notify
- B. router(config-if)# ip ospf graceful shutdown
- C. router(conftg-if)# ip ospf shutdown
- D. router(config-router)# graceful shutdown
- E. router(config-router)# shutdown
Answer: C,E
NEW QUESTION 90
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