D-PDC-DY-23 試験問題と解答 - 模擬練習 - 練習問題・模擬試験

Question No : 1
In a PIM Sparse Mode based multicast topology, what role does the Rendezvous Point provide?

A.The node is used to provide (S,G) across a Layer 3 boundary.
B.The location PIM sends traffic before invoking SP
C.The node is used to provide (*,G) on a Layer 2 shared segment.
D.The first-hop router is used to provide routing between the source and receiver.

正解:

Question No : 2
Which multicast address do all OSPF routers use?

A.224.0.0.6
B.239.0.0.6
C.239.0.0.4
D.224.0.0.5

正解:

Question No : 3
A network administrator must configure a virtual IP address using VRRP on interface VLAN 100 within OS10.
What are the correct steps to accomplish this?

A.OS10(config)# interface vlan 100 OS10(conf-if-vl-100)# ip address 10.0.100.1/24 OS10(conf-if-vl-100)# standby-group 256 OS10(conf-vlan100-vrid-256)# standby-address 10.0.100.2
B.OS10(config)# interface vlan 100 OS10(conf-if-vl-100)# ip address 10.0.100.2/24 OS10(conf-if-vl-100)# standby-group 250 OS10(conf-vlan100-vrid-250)# virtual-address 10.0.100.1
C.OS10(config)# interface vlan 100 OS10(conf-if-vl-100)# ip address 10.0.100.2/24 OS10(conf-if-vl-100)# vrrp-group 256 OS10(conf-vlan100-vrid-256)# virtual-address 10.0.100.1
D.OS10(config)# interface vlan 100 OS10(conf-if-vl-100)# ip address 10.0.100.1/24 OS10(conf-if-vl-100)# vrrp-group 250 OS10(conf-vlan100-vrid-250)# virtual-address 10.0.100.2

正解:

Question No : 4
What are the benefits associated with a multiple-area OSPF implementation?

A.Lower costs by replacing traditional routers with distribution layer switches.
B.Lack of summarization between areas allow specific routes in the routing table.
C.All routes are easy to find since routing table entries are larger.
D.Each router has a more manageable LSD

正解:

Question No : 5
In an NSSA, which type of LSA is used for redistribution?

A.3
B.4
C.5
D.7

正解:

Question No : 6
Which LSA type contains information about routes redistributed into OSPF?

A.3
B.10
C.5
D.8

正解:

Question No : 7
Refer to the exhibit:

What happens when a network administrator enters the shutdown command?

A.Terminates established BGP sessions for the specified ASN (64567).
B.Maintains existing BGP sessions but no longer establishes new ones.
C.Stops any traffic from being sent on the physical interface that is used to reach neighbor 192.168.200.1.
D.Terminates any established BGP sessions for the specified neighbor.

正解:

Question No : 8
Which two commands display if a port is currently active in a VLAN?

A."show interface vlan" and "show interfaces status"
B."show interface vlan" and "show startup-configuration"
C."show startup-configuration" and "show vlan"
D."show vlan" and "show interfaces status"

正解:

Question No : 9
What is the size of the VLAN tag in an Ethernet frame?

A.4 bytes
B.8 bytes
C.1 byte
D.2 bytes

正解:

Question No : 10
With what feature is the downstream ethernet 1/1/9:1-1/1/9:4 command associated?

A.Downlink Failure Detection
B.Uplink Failure Detection
C.Unidirectional Forwarding Detection
D.Bidirectional Forwarding Detection

正解:

Question No : 11
Which two options describe the differences between Layer 2 and Layer 3 QoS? (Select 2)

A.DSCP priorities are a combination of Class Selector and Drop Precedence.
B.CoS priorities are encoded in the IP header.
C.802.1P trust-maps only trigger against 802.1Q tagged traffic.
D.DSCP implements seven unique traffic classes for packet queueing.

正解:

Question No : 12
A network administrator has recently configured eBGP to use source addressing from its loopback interfaces. Customers later report that eBGP routes are not being learned.
What could be the cause of this issue?

A.BGP devices must be configured with the multihop command when using loopback interfaces
B.BGPv4 does not support the use of loopback interfaces
C.BGP devices must be configured to use source addressing from its physical interfaces only
D.The network administrator neglected to issue the no shutdown command to bring the loopback interface online

正解:

Question No : 13
What does the stratum value of 16 mean on an NTP server?

A.Device is a reference clock.
B.Device has the highest synchronized accuracy.
C.Device has the lowest synchronized accuracy.
D.Device is unsynchronized.

正解:

Question No : 14
Which router types are contained in a single-area OSPF implementation?

A.Stub router and ABR
B.ABR and ASBR
C.Internal router and ASBR
D.Backbone router and Internal router

正解:

Question No : 15
How does a DHCP Client make a request to a DHCP server following an offer?

A.Multicast
B.ACK
C.Broadcast
D.Unicast

正解:

DELL EMC D-PDC-DY-23 問題練習