400-101 Exam
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New Cisco 400-101 Exam Dumps Collection (Question 4 - Question 13)
Question No: 4
which three session tables does NAT64 maintain?
A. UDP
B. TCP
C. 6rd
D. 464XLAT
E. ICMP Query
F. SIP
Answer: A,B,E
Question No: 5
Refer to the exhibit.
You have configured a VRF named Blue on R1 as shown. Which action must you take to enable uRPF on the R1 interface E1/0?
A. Configure the ip verify Blue unicast source reachable-via rx allow-default command on interface E0/1
B. Configure the ip verify Blue unicast source reachable-via rx allow-default command under the VRF Blue process
C. Configure the ip verify unicast source reachable-via rx allow-default command under the VRF Blue process
D. Configure the ip verify vrf Blue unicast source reachable-via rx allow-default command on interface E0/1
E. Configure the ip verify unicast source reachable-via rx allow-default command on interface E1/0
Answer: E
Question No: 6
What is the correct binary equivalent of DSCP value AF41?
A. 101001
B. 100001
C. 100010
D. 001010
Answer: C
Question No: 7
Which two statements about DHCP operations are true? (Choose two)
A. When the DHCP relay agent receives a DHCP messages, If generates a new DHCP message to transmit
B. The client uses option 125 in a DHCPDISCOVER message to discover the DHCP server
C. The DHCP server inserts option 150 when it sends a DHCPOFFER message
D. The client uses TTL to discover a DHCP server and obtain a leased IP address
E. The DHCP relay agent can insert option 82 with additional information about the client identity
Answer: B,E
Question No: 8
Which two events occur when a packet is decapsulated in a GRE tunnel?(Choose two)
A. The destination IPv4 address in the IPv4 payload is used to forward the packet
B. The source IPv4 address in the IPv4 payload is used to forward the packet
C. The GRE keepalive mechanism is reset
D. The version field in the GRE header is incremented
E. The TTL of the payload packet is decremented
F. The TTL of the payload packet is incremented
Answer: A,E
Question No: 9
Refer to the exhibit.
R2 is configured with an IP helpler address on Gi0/0/0 and it is sharing routes with R1 using OSPF. If PC1 is configured to request an IP address from the DHCP server, which two statements
correctly describe communications between the devices on the netwok?(choose two)
A. R1 forwards DHCPREQUEST messages to IP address 172.16.1.100
B. PC1 sends DHCPDISCOVER messages to IP address 255.255.255.255
C. R1 forwards DHCPDISCOVER messages to IP address 255.255.255.255
D. PC1 sends DHCPREQUEST messages to IPaddress 255.255.255.255
E. R1 forwards DHCPOFFER messages to IP address 172.16.1.100
Answer: A,B
Question No: 10
When you implement the EIGRP add-paths feature, which configuration can cause routing issues on a DMVPN circuit?
A. disabling ECMP mode under the EIGRP process.
B. disabling automatic summarization
C. enabling next-hop-self under the EIGRP process.
D. enabling synchronization under the EIGRP process
E. disabling the default variance under the EIGRP process
F. disabling NHRP when deploying EIGRP over DMVPN
Answer: E
Question No: 11
Which LSA type is associated with default route in a totally stubby area?
A. Router LSA(Type 1)
B. Autonomous system external LSA (Type 5)
C. Interarea-router LSAs for ASBRs (Type 4)
D. Interarea-prefix LSA for ABRs (Type 3)
Answer: D
Question No: 12
Which two statements about WRED are true? (Choose two)
A. It is a packet-classification mechanism
B. It drops IP traffic before non-IP traffic
C. It is most useful with adaptive traffic
D. It is a congestion-management mechanism
E. It is a congestion-avoidance mechanism
F. It can be configured on the same interface as WFQ
Answer: C,E
Question No: 13
Which two authentication options were new in SNMPv3 (Choose two)
A. noAuth
B. Auth
C. noAuthNopriv
D. authNoPriv
E. authPriv
F. Priv
Answer: C,D
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