Sep 2021 updated: 400 101 pdf

Question No: 3

Which two statements about TCP tail drop are true? (Choose two)

A. It increases the congestion window after each acknowledgement

B. It uses bandwidth efficiently along the entire link

C. It causes TCP flows to be dropped at different intervals

D. It decreases the congestion window after each acknowledgement

E. It causes TCP global synchronization

Question No: 4

Which two statements about 1Pv4 and 1Pv6 networks are true? (Choose two.)

A. ln IPv6, hosts perform fragmentation.

B. IPv6 uses a UDP checksum to verify packet integrity.

C. ln IPv6, routers perform fragmentation.

D. In IPv4 fragmentation is performed by the source of the packet.

E. IPv4 uses an optional checksum at the transport layer.

F. IPv6 uses a required checksum at the network layer.

Question No: 5

Which two statements about LDP are true? (Choose two)

A. LDP sessions are established between LSRs

B. It enables LSRs to communicate label bindings

C. It sends hello messages over TCP

D. It uses a 16-byte identifier

E. It supports only directed-connected neighbors

F. It sends hello messages as UDP packets via unicast

Question No: 6

Refer to the exhibit.

What fee of ISIS is configured on R1?

A. VRF-aware ISIS

B. multi-process IS-I

C. single-topology I SIS

D. IS-I S version 2

Question No: 7

Refer to the exhibit.

Which two statements about the device configuration are true? (Choose two.)

A. The device has control-plane protection enabled.

B. The device implicitly allows Tel net connections.

C. The GigabitEthemet0/1 interface of the device allows incoming SSH and SNMP connections.

D. The device has management-plane protection enabled.

E. The device allows SSH connections to its loopback interface.

Question No: 8

Which three options are there of the valid message types for DHCPv6? (choose three.)

A. Request

B. Solicit

C. Discover

D. Advertise

E. Offer

F. Leave

Question No: 9

In an MPLS-VPN environment, what is the effect of configuring an identical set of route targets for a particular VRF but then configuring nonidentical RD across multiple PE devices?

A. The routes are rejected by remote PE because they have a different RD than its routes.

B. The routes propagate to the remote PE, but the PE never installs them in its forwarding table.

C. The routes are correctly managed by the control plane, but there are instances where routes take up twice as much memory.

D. The routes are not sent to any remote PE with a different RD.

Question No: 10

Which are the two requirements for BGP to install a classful network into the BGP routing table? (Choose two)

A. Synchronization is disabled

B. The AS contains the entire classful network

C. Auto-summary is enabled

D. A classful network statement with a classful mask is in the routing table

E. A classful network statement with a lower administrative distance is in the routing table

F. Synchronization is enabled

Question No: 11

Which metric vectors are stored but are not used by default in EIG RP?

A. Reliability and delay

B. Load and reliability

C. Load and bandwidth

D. Bandwidth and del

Question No: 12

Refer to the exhibit,

multiple hosts on the 10.2.2.0/24 network are sending traffic to the web server, Which configuration can you apply to R2 so that traffic from host 1 uses the path R2-R1-R3 to reach the web server, without affecting other hosts?

A. access-list 1 permit 10.2.2.0 0.0.0.255

B. interface FastEthernet2/0 ip policy route-map POLICY-ROUTE

C. access-list 1 permit 10.2.2.3 255.255.255.255

D. access-list 1 permit 10.2.2.3 0.0.0.0

E. access-list 1 permit 10.2.2.4 0.0.0.0

F. ip local policy route u2013map PLICY-ROUTE