300-320 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
Which option is a primary requirement for the deployment of an IPv6-enabled network via the native method (dual-stack model) within the enterprise campus environment?

A.hardware-based switching support for IPv6 forwarding on all campus switches
B.restriction of IPv6-enabled devices to the core layer
C.manual implementation of tunneling between IPv6-incompatible devices in an IPv4-over-IPv6 tunnel
D.disabling of multicast in the distribution layer prior to implementation of IPv6

正解:

Question No : 2
Refer to the exhibit.

A network engineer manually reconfigures the BGP configuration on newly upgraded router R1. However, the BGP neighbor relationship does not come up with the directly connected neighbor router.
What is causing the failure of the BGP neighbor relationship between routers R1 and R2?

A.An incorrect neighbor IP address for router R2 is configured on router R1.
B.An incorrect neighbor AS number is configured on router R1 for router R2.
C.The wrong BGP authentication password is configured on router R1.
D.Router R1 must configure the R2 loopback address as the neighbor IP address.

正解:

Question No : 3
What is the correct state between two BGP peers that are neighbors?

A.active
B.operational
C.established
D.up

正解:

Question No : 4
An engineer notices that many BGP peers utilize the same configuration parameters.
What can the engineer configure to simplify BGP neighbor statements and generate more efficient BGP peer updates?

A.peer groups
B.policy templates
C.session templates
D.peer address families

正解:

Question No : 5
Refer to the exhibit.

Based on the configuration, why are routers R1 and R2 not exchanging OSPF routes?

A.The OSPF process numbers are different.
B.There is no backbone area configured.
C.The router IDs are different.
D.OSPF is not enabled on the interfaces.

正解:

Question No : 6
A Layer 2 switch in the network has recently started broadcasting traffic out of every port and is impacting network performance. The engineering department determines that a MAC overflow attack is the cause.
Which two features can protect and mitigate the damage of the attacks? (Choose two.)

A.Storm Control
B.Port Security
C.SPAN
D.BPDU Filters
E.IP Source Guard
F.VACLs

正解:

Question No : 7
To which network layer should Cisco Express Forwarding be tuned to support load balancing and to make more informed forwarding decisions?

A.Layer 1
B.Layer 2
C.Layer 3
D.Layer 4
E.Layer 5
F.Layer 6
G.Layer 7

正解:

Question No : 8
Refer to the exhibit.

Which two features can enable high availability for first-hop Layer 3 redundancy? (Choose two.)

A.VPC
B.IGMP V2
C.VRRP
D.PIM
E.HSRP

正解:

Question No : 9
A network engineer has implemented a looped triangle switch block design.
What element must be included in the design?

A.first hop redundancy protocol
B.Layer 2 links between access switches
C.single uplinks between access and distribution switches
D.VLANs that span access switches
E.Layer 3 links between distribution switches

正解:

Question No : 10
EIGRP uses which algorithm to build a routing table?

A.Dijkstra's algorithm
B.Floyd-Warshall algorithm
C.Diffusing Update Algorithm
D.Johnson's algorithm

正解:

Question No : 11
Which unique EIGRP feature allows for faster Layer 3 convergence?

A.fast EIGRP timers
B.feasible successors
C.hybrid routing protocol
D.Cisco proprietary protocol

正解:

Question No : 12
Which algorithm does IS-IS use to determine the shortest path through a network?

A.Bellman-Ford routing algorithm
B.Johnson's algorithm
C.Dijkstra's algorithm
D.Floyd-Warshall algorithm

正解:

Question No : 13
In which OSI layer does IS-IS operate?

A.Layer 1
B.Layer 2
C.Layer 3
D.Layer 4

正解:

Question No : 14
What is the recommended subnet between two sites that have a point-to-point connection to conserve IP addresses?

A.255.255.255.0
B.255.255.252.0
C.255.255.255.252
D.255.255.255.240

正解:

Question No : 15
Which route summarization most efficiently reduces perceived network complexity that is composed of subnetworks ranging from 172.16.20.0/24 to 172.16.36.0/24?

A.172.16.8.0/21
B.172.16.8.0/19
C.172.16.20.0/20
D.172.16.0.0/18
E.172.16.20.0/19

正解:

Cisco 300-320 ARCH 問題練習