Which two options are causes of out-of-order packets? (Choose two.)
A.
a routing loop
B.
a router in the packet flow path that is intermittently dropping packets
C.
high latency
D.
packets in a flow traversing multiple paths through the network
E.
some packets in a flow being process-switched and others being interrupt-switched on a transit
router
1. multipath
2. switch processing- it also be part of multipath, different switch
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400-101:
Hahaha, passed 400-101 yesterday! It takes almost 4 months to prepare for it.
Hard process but good result!
Just come here to share my exam experience, want to help more people to pass!
By the way, 2017 400-101 exam add many new questions, share some with you:
QUESTION 1055
Which three configuration settings must match for switches to be in the same MST region? (Choose three)
A. password
B. domain name
C. VLAN names
D. revision number
E. VLAN-to-instance assignment
F. region name
Answer: DEF
QUESTION 1056
What are three valid HSRP states? (Choose three)
A. listen
B. learning
C. full
D. established
E. speak
F. IN IT
Answer: AEF
QUESTION 1057
Drag and Drop Question
Answer:
QUESTION 1058
Refer to the exhibit, Router A must reach router X.
Which option describes how router A decides which interface to use to forward packets ?
A. Router A relies on FIB to select the desired interface
B. Router A does per-packet load-balance across the two interfaces
C. Router A does per-flow load-balance across the two interfaces
D. Router A relies on RIB select the desired interface
Answer: D
QUESTION 1059
Which action must you take to configure encryption for a dynamic VPN?
A. Configure an FQDN peer in ftie crypto pgfile.
B. Configure an FQDN identity in the crypto keyring
C. Configure an FQDN in the crypto keyring
D. Configure an FQDN on the router.
Answer: A
QUESTION 1060
Which feature can segregate routing tables on a single device?
A. BGP
B. VRF-lite
C. OSPFv3
D. MPLS
Answer: B
QUESTION 1061
Which PIM mode can forward traffic by using only (*. G) routing table entries?
A. dense mode
B. sparse-dense mode
C. sparse mode
D. bidrirectional mode
Answer: C
QUESTION 1062
You are configuring CoS-to-DSCP mappings with three requirements:
– AF13 must be marked with COS 1.
– AF22 must be marked with COS 2.
– EF must be marked with COS5.
Which configuration command can you use to implement the requirements?
A. mls qos map cos-dscp 0 14 20 24 32 46 48 56
B. mls qos map cos-dscp 0 10 18 24 32 46 48 56
C. mls qos map cos-dscp 0 12 18 24 32 40 46 56
D. mls qos map cos-dscp 0 12 18 24 32 46 48 56
Answer: A
2017/Aug New 400-101 exam questions updated today:
QUESTION 702
How are the Cisco Express Forwarding table and the FIB related to each other?
A. Cisco Express forwarding uses a FIB to make IP destination prefix-based switching decisions
B. Cisco Express Forwarding table allows route lookups to be forwarded to the route processor for processing before they are sent to the FIB
C. The FIB is used to populate the Cisco Express Forwarding table
D. There can be only one FIB but multiple Cisco Express forwarding tables on IOS devices
Answer: A
QUESTION 703
Which two statements about BGP PIC are true? (Choose two.)
A. When the path to a distant PE router charges, PIC is Independent of the number VRFs on the router.
B. It is prefix-dependent for internal routes.
C. PIC Core supports fast convergence with external neighbor links.
D. It achieves subsecond convergence in the BGP FIB.
E. PIC Edge provides fast convergence when an external neighbor node fails.
Answer: CD
QUESTION 704
Refer to the exhibit. Which statement is true?
A. R1 is using an MPLS TE tunnel for this pseudowire, because the IP path is not avialable.
B. The default route 0.0.0.0/0 is available in the IPv4 routing table.
C. R1 has preferred-path configured for the pseudowire.
D. R1 routes this pseudowire over MPLS TE tunnel1 with transport label 20
Answer: D
QUESTION 705
When you implement CoPP on your network, what is its default action?
A. Drop management ingress traffic to the control plane.
B. Monitor ingress and egress traffic to the control plane by using access groups that are applied to the interface
C. Block all traffic.
D. Rate-limit bidirectional traffic to the control plane.
E. Permit all traffic.
Answer: E
QUESTION 706
Which interior gateway protocol is based on open standards, uses a shortest-path first algorithm, provides native support for non-IP Layer 3 protocols, and operates at the data link layer?
A. EIGRP
B. IS-IS
C. OSPF
D. BGP
Answer: B
QUESTION 707
Refer to the exhibit. Between which router is an LDP session established?
A. R1, R2 and R3
B. R1 and R3
C. R1 and R2
D. R2 and R3
Answer: C
QUESTION 708
Which IS-IS process is responsible for flooding local link information to adjacent routers?
A. update
B. receive
C. decision
D. forward
Answer: A
QUESTION 709
In which way does the Bridge Assurance mechanism modify the default spanning-tree behavior in an effort to prevent bridging loops?
A. If BPDUs are no longer received on a port, the switch immediately sends out a TCN BPDU.
B. Extended topology information is encoded into all BPDUs
C. BPDUs are sent bidirectional on all active network ports, including blocked and alternate ports.
D. Received BPDUs are looped back towards the sender to ensure that the link is bidirectional
Answer: C
QUESTION 710
Which information is contained in an OSPF Type 7 Not-So-Stubby Area NSSA External LSA?
A. External network address, mask, and cost to reach network that is external to the OSPF domain and only within the NSSA
B. The external network address, mask and cost to reach networks that are external to the OSPF NSSA, including the default route.
C. The address of routers that connect the current area to other areas and cost to reach those routers.
D. The paths and costs to reach other stub area border routers in the OSPF routing domain
E. The paths and costs to all OSPF NSSA areas that are external to the current area
Answer: A
QUESTION 711
Refer to the exhibit. The Main1 and Branch1 switches are connected directly over an MPLS pseudowire, and both run UDLD. After router B1 reloads because of a power failure, the pseudowire is restored. However, the Branch 1 switch is unable to reach the Main 1 switch.
Which two actions can you take to restore connectivity and prevent the problem from recurring? (Choose two)
A. Issue the shutdown and no shutdown commands on both the Branch1 switch uplink to the B1 router and the Main 1 switch’s uplink to the M1 router.
B. Configure a backup GRE tunnel between the Main 1 and Branch 1 switches.
C. Enable UDLD recovery on both the Main 1 and Branch 1 switches
D. Enable errdisable recovery on both the Main 1 and Branch 1 switches.
E. Configure a backup pseudowire between the Main 1 and Branch1 switches
Answer: AD
QUESTION 712
Which statement about Auto-RP is true?
A. An RP that is tied to a loopback address must be configured.
B. All interfaces must be configured in sparse mode.
C. All interfaces must be configured in sparse-dense mode.
D. All interfaces must be configured in dense mode.
Answer: C
QUESTION 713
Which technology can be used to secure the edge of an STP domain?
A. root guard
B. BPDU guard
C. UplinkFast
D. BPDU filter
Answer: A
QUESTION 714
Which three features support object tracking? (Choose three)
A. OSPF
B. BFD
C. EEM
D. HSRP
E. PfR
F. vPC
Answer: CDF
QUESTION 715
Which GDOI key is responsible for encrypting control plane traffic?
A. The traffic encryption key
B. The key-chain
C. The preshared key
D. The key encryption key
Answer: D
QUESTION 716
Which two statements about private VLAN communications are true? (Choose two.)
A. Promiscuous ports communicate with all other ports.
B. Primary VLAN traffic is passed across trunk interfaces.
C. Promiscuous ports connect only to routers.
D. Isolated ports communicate with other isolated ports.
Answer: AB
More new 400-101 practice questions:https://www.braindump2go.com/400-101.html