Cisco 400-101 Practice Verified Answers - Pass Your Exams For Sure! [2021]
Valid Way To Pass CCIE's 400-101 Exam
NEW QUESTION 61
Refer to the exhibit.
Which statement about the output is true?
- A. The flow is an HTTP connection that is initiated by the router and that goes to
144.254.10.206. - B. The flow is an HTTP connection to the router, which is initiated by 144.254.10.206.
- C. The flow is an HTTPS connection to the router, which is initiated by 144.254.10.206.
- D. The flow is an HTTPS connection that is initiated by the router and that goes to
144.254.10.206.
Answer: C
NEW QUESTION 62
Which two statements about route redistribution are true? (Choose two)
- A. Mutual redistribution at multiple points can create a routing loop
- B. IBGP is used within the AS to carry EBGP attributes that otherwise would be lost if EBGP was redistributed into IGP.
- C. Redistributing the entire BGP table from the internet works well using multiple OSPF areas
- D. The unequal cost multipath load-balancing characteristic is lost when redistributing OSPF into EIGRP
- E. IS-IS does not support Layer 2 routes that leak into a Layer 1 domain
Answer: A,B
NEW QUESTION 63
Which two statements about SNMP are true? (Choose two)
- A. All SNMP versions support bulk retrieval and detailed error messages.
- B. SNMPvl and SNMPv2c use encrypted community strings.
- C. SNMPv3 uses encrypted community strings.
- D. SNMPv3 provides privacy and access control.
- E. All SNMP versions use get, getNext, and getBulk operatinos.
Answer: D,E
NEW QUESTION 64
Refer to the exhibit.
If a Layer 3 switch running OSPF in a VRF-lite configuration reports this error, which action can you take to correct the problem?
- A. Set mls cef maximum-routes in the global configuration.
- B. Configure the control plane with a larger memory allocation to support the Cisco Express Forwarding Information Base.
- C. Add the vrf-lite capability to the OSPF configuration.
- D. Upgrade the Layer 3 switch to a model that can support more routes.
Answer: A
NEW QUESTION 65
Which multicast protocol uses source trees and RPF?
- A. CBT
- B. PIM sparse mode
- C. DVMRP
- D. mOSPF
Answer: C
NEW QUESTION 66
Refer to the exhibit. Which statement is true?
- A. This output represents a UDP flow or a TCP flow.
- B. It is impossible for the destination interface to equal the source interface.
- C. There is a potential routing loop.
- D. NAT on a stick is performed on interface Et0/0.
Answer: C
Explanation:
Explanation/Reference:
Explanation:
In this example we see that the source interface and destination interface are the same (Et0/0). Typically this is seen when there is a routing loop for the destination IP address.
NEW QUESTION 67
Refer to the exhibit.
Why is the router out of memory?
- A. The router is experiencing a BGP memory leak software defect.
- B. The BGP peers have been up for too long.
- C. The router has insufficient memory due to the size of the BGP database.
- D. The amount of BGP update traffic in the network is too high.
Answer: C
Explanation:
Explanation, Here we can see that this router is running out of memory due to the large size of the BGP routing
database. In this case, this router is receiving over 200,000 routes from each of the 4 peers.
NEW QUESTION 68
Which two options are reasons to manipulate the delay metric instead of the bandwidth metric for EIGRP routing? (Choose two.)
- A. Because changes to the delay metric are propagated to all neighbors on a segment
- B. Because manipulating the bandwidth affects only a particular path
- C. Because the delay metric provides better handling for bursty traffic
- D. Because manipulating the bandwidth metric can also affect QoS
Answer: A,D
NEW QUESTION 69
Refer to the exhibit.
Which two options are effects of the given configuration? (Choose two.)
- A. It enables NetFlow switching on interface FastEthernet0/0.
- B. It configures the export process to include the BGP peer AS of the router gathering the data.
- C. It sets the data export destination to 209.165.200.227 on TCP port49152.
- D. It sets the data export destination to 209.165.200.227 on UDPport 49152.
- E. It enables Cisco Express Forwarding on interface FastEthernet0/0.
Answer: A,D
Explanation:
Explanation/Reference:
Explanation:
The "ip flow-export destination 209.165.200.227 49152" command specifies that the data export
destination server is 209.165.200.227 using UDP port 49152.The "iproute-cache flow" command under the
fast ethernet 0/0 interface enable netflow switching on that interface.
NEW QUESTION 70
104 which three types of traffic are protected when you implement IPsec within an IPv6-in- IPv4 tunnel?(choose three)
- A. IPv6 broadcast traffic
- B. IPv4 broadcast traffic
- C. IPv6 multicast traffic
- D. IPv4 tunnel control traffic
- E. IPv6 unicast traffic
- F. IPv6 link-local traffic
Answer: C,E,F
NEW QUESTION 71
Refer to the exhibit. Which two statements are true? (Choose two.)
- A. Authentication is not configured for the area.
- B. This is the output of the show ip ospf command.
- C. This router is an ASBR.
- D. This is the output of the show ip protocols command.
- E. This router is an ABR.
Answer: A,B
NEW QUESTION 72
Which technology can MSDP SA filters use to filter traffic?
- A. class maps
- B. prefix lists
- C. route maps
- D. community lists
Answer: C
NEW QUESTION 73
Which two solutions can reduce UDP latency? (Choose two.)
- A. low-latency queuing
- B. congestion-avoidance algorithm
- C. fast recovery
- D. IP service level agreements
- E. fast start
- F. fast retransmission
Answer: A,D
Explanation:
IP SLA uses active traffic monitoring, which generates traffic in a continuous, reliable, and predictable manner to measure network performance. IP SLA sends data across the network to measure performance between multiple network locations or across multiple network paths. It simulates network data and IP services, and collects network performance information in real time. This information is collected:
Response times
One-way latency, jitter (interpacket delay variance)
Packet loss
Network resource availability LLQ uses the priority command. The priority command allows you to set up classes based on a variety of criteria (not just User Datagram Ports (UDP) ports) and assign priority to them, and is available for use on serial interfaces and ATM permanent virtual circuits (PVCs). A similar command, the ip rtp priority command, allows you to stipulate priority flows based only on UDP port numbers. Note: All the other answer choices can be used to improve TCP performance, but not UDP.
References: http://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r42/system_monitoring/configuration/guide/b_sysmon_cg42xr12k/b_sysmon_cg42xr12k_cha----pter_011.html
http://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/fsllq26.html
NEW QUESTION 74
Which two statements about PPP CHAP authentication are true? (Choose two)
- A. It uses a secret password, which is sent across the link for authentication
- B. It uses a configured username and password to authenticate a host
- C. It is configurable only on PPP callout links
- D. It is a one-way authentication method
- E. It supports clear-text passwords
Answer: B,D
NEW QUESTION 75
Refer to the exhibit.
Which two possible network conditions can you infer from this configuration? (Choose two.)
- A. R2 is configured as the NTP master with a stratum of 7.
- B. R1 and R2 have established an NTP session.
- C. The authentication parameters on R1 and R2 are mismatched.
- D. R1 is using the default NTP source configuration.
Answer: C,D
Explanation:
Explanation/Reference:
Explanation:
Answer A: The NTP associations are not synced, it is only listed as a candidate because it was configured.
Routing is not the issue, so it must be mismatched authentication parameters. Answer B: NTP sets the source IP address for all NTP packets based on the address of the interface through which the NTP packets are sent. You can configure NTP to use a specific source IP address.
NEW QUESTION 76
Which statement about the bgp soft-reconfig-backup command is true?
- A. When the peer is unable to store updates, the updates are implemented immediately.
- B. It overrides soft reconfiguration for devices that support inbound soft reconfiguration.
- C. It provides outbound soft reconfiguration for peers.
- D. It provides soft reconfiguration capabilities for peers that are unable to support route refresh.
- E. It requires BGP to store all inbound and outbound updates.
Answer: D
NEW QUESTION 77
Refer to the exhibit.
Which two ntatementn about how the configuration procennen Telnet traffic are true? (Choone two.)
- A. Telnet traffic in permitted to all IP addressen.
- B. Telnet traffic from 10.10.10.1 to 10.1.1.9 in permitted.
- C. Telnet traffic from 10.1.1.9 to 10.10.10.1 in dropped.
- D. All Telnet traffic in dropped.
- E. Telnet traffic from 10.1.1.9 to 10.10.10.1 in permitted.
Answer: B,C
Explanation:
The ACL applied to the COPP policy matchen only telnet traffic from 10.1.1.9 to 10.10.10.1, all other telnet traffic in
not matched and therefore not uned in the COPP policy, which meann thin traffic will be handled normally (accepted).
For telnet traffic from 10.1.1.9 to 10.10.10.1, the COPP policy han defined thin traffic an an exceed, and dropped.
NEW QUESTION 78
On which three options can Cisco PfR base its traffic routing? (Choose three)
- A. User-defined link capacity thresholds
- B. An access list with permit or deny statements
- C. Time of day
- D. Load-balancing requirements
- E. Network performance
- F. Router LOS version
Answer: A,D,E
NEW QUESTION 79
Which two actions can you take to recover an interface in a errdisable state? (Choose two.)
- A. Remove the related commands from the configuration and reenter them.
- B. Execute the shutdown command on the interface, followed by the no shutdown command.
- C. Enable errdisable recovery on the switch.
- D. Enable UDLD on the switch.
- E. Enable loop guard on the switch.
Answer: B,C
NEW QUESTION 80
Refer to the exhibit.
What is wrong with the configuration of this tunnel interface ?
- A. No tunnel destination has been specified.
- B. The tunnel source of an ISATAP tunnel must always point to a loopback interface.
- C. ISATAP tunnels cannot use the EUI-64 address format.
- D. Router advertisements are disabled on this tunnel interface.
Answer: D
NEW QUESTION 81
Refer to the exhibit.
You must complete the configuration on R1 so that a maximum of three links can be used and fragmentation is supported.
Which additional configuration accomplishes this task?
- A. Interface Multilink19ip address192.168.1.1 255.255.255.252ppp multilinkppp multilink group 19ppp multilink links maximum 3ppp multilink interleave
- B. Interface Multilink19ip address 192.168.1.1 255.255.255.0ppp multilinkppp multilink group 19ppp multilink links minimum 1ppp multilink links maximum 3ppp multilink interleave
- C. Interface Multilink19ip address 192.168.1.1 255.255.255.0ppp multilinkppp multilink group
19pppmultilink links maximum 3ppp multilink fragment delay 20ppp multilink interleave - D. Interface Multilink19ip address192.168.1.1 255.255.255.0ppp multilinkppp multilink group 19ppp multilink links maximum 3ppp multilink fragment delay 20
Answer: B
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 82
Which three statements about IS-IS are true? (Choose three.)
- A. IS-IS is not encapsulated in IP.
- B. 0XFEFE is used in the Layer 2 header to identify the Layer 3 protocol.
- C. IS-IS is directly encapsulated in the data link layer.
- D. IS-IS is an IETF standard.
- E. IS-IS can be used to route the IPX protocol.
- F. IS-IS uses protocol ID 93.
Answer: A,B,C
NEW QUESTION 83
On which three options can Cisco PfR base its traffic routing? (Choose three.)
- A. User-defined link capacity thresholds
- B. An access list with permit or deny statements
- C. Time of day
- D. Load-balancing requirements
- E. Router IOS version
- F. Network performance
Answer: A,D,F
Explanation:
Key Advantages of using PfR for Load balancing:
- Utilization based load-balancing: PfR takes real-time link utilization into account when load balancing the links. This will ensure that a link will not go beyond a certain percentage of its maximum capacity (75% by default).
- Application Performance based Load Balancing: PfR does not randomly forward traffic through one link or another. It takes application performance requirements into consideration and then forwards the traffic through a link which meets the performance policy requirements. PfR also load balances the link at the same time.
- Bi-directional Solution: PfR is a bi-directional load balancing solution which influences outbound as well as in-bound traffic.
- Consolidated Centralized View: PfR offers consolidated and centralized view of the state of all external links in the network. At any given time, the network administrator can see the current link utilization (in kbps and percentage of its capacity), maximum link threshold, and the policies applied to the links in the network.
Reference: http://docwiki.cisco.com/wiki/PfR:Solutions:InternetOutboundLoadBalancing
NEW QUESTION 84 
Refer to the exhibit If R1 and R2 cannot establish an OSPF neighbor relationshipwhich two action can you take to Choose two
- A. Configuration R1 to send the username and password on the Dialer 1 interface
- B. Configure PPP encapsulation under the R1 virtual-templat interface
- C. Change the ip local pool command on R2 to ip local pool pool! 192 168 12 192 168 1.5
I" - D. Change the PPP authentication to CHAP authentication
- E. Configuration PPP authentication under the R2 Gigabitethernet 0/1 interface
Answer: A,B
NEW QUESTION 85
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