Latest Cisco CCNP 642-813 SWITCH Real Exam Download 21-30

Ensurepass

QUESTION 21

Refer to the exhibit and the partial configuration on routers R1 and R2. HSRP is configured on the network to provide network redundancy for the IP traffic. The network administrator noticed that R2 does not become active when the R1 serial0 interface goes down. What should be changed in the configuration to fix the problem?

 

clip_image002

 

A.       R2 should be configured with an HSRP virtual address.

B.       R2 should be configured with a standby priority of 100.

C.       The Serial0 interface on router R2 should be configured with a decrement value of 20.

D.      The Serial0 interface on router R1 should be configured with a decrement value of 20.

 

Correct Answer: D

 

 

QUESTION 22

Which optional feature of an Ethernet switch disables a port on a point-to-point link if the port does not receive traffic while Layer 1 status is up?

 

A.       BackboneFast

B.       UplinkFast

C.       Loop Guard

D.      UDLD aggressive mode

E.       Fast Link Pulse bursts

F.        Link Control Word

 

Correct Answer: D

 

 

QUESTION 23

Which three statements about routed ports on a multilayer switch are true? (Choose three.)

 

A.       A routed port can support VLAN subinterfaces.

B.       A routed port takes an IP address assignment.

C.       A routed port can be configured with routing protocols.

D.      A routed port is a virtual interface on the multilayer switch.

E.       A routed port is associated only with one VLAN.

F.        A routed port is a physical interface on the multilayer switch.

 

Correct Answer: BCF

 

 

QUESTION 24

Refer to the exhibit. Why are users from VLAN 100 unable to ping users on VLAN 200?

 

clip_image004

 

A.       Encapsulation on the switch is wrong.

B.       Trunking must be enabled on Fa0/1.

C.       The native VLAN is wrong.

D.      VLAN 1 needs the no shutdown command.

E.       IP routing must be enabled on the switch.

 

Correct Answer: B

 

 

QUESTION 25

Which three statements about Dynamic ARP Inspection are true? (Choose three.)

 

A.        It determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the DHCP snooping database.

B.        It forwards all ARP packets received on a trusted interface without any checks.

C.        It determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the CAM table.

D.        It forwards all ARP packets received on a trusted interface after verifying and inspecting the packet against the Dynamic ARP Inspection table.

E.         It intercepts all ARP packets on untrusted ports.

F.         It is used to prevent against a DHCP snooping attack.

 

Correct Answer: ABE

 

 

QUESTION 26

A network administrator wants to configure 802.1x port-based authentication, however, the client workstation is not 802.1x compliant. What is the only supported authentication server that can be used?

 

A.       TACACS with LEAP extensions

B.       TACACS+

C.       RADIUS with EAP extensions

D.      LDAP

 

Correct Answer: C

 

 

QUESTION 27

The following command was issued on a router that is being configured as the active HSRP router.

 

standby ip 10.2.1.1

 

Which statement about this command is true?

 

A.       This command will not work because the HSRP group information is missing.

B.       The HSRP MAC address will be 0000.0c07.ac00.

C.       The HSRP MAC address will be 0000.0c07.ac01.

D.      The HSRP MAC address will be 0000.070c.ac11.

E.       This command will not work because the active parameter is missing.

 

Correct Answer: B

 

 

QUESTION 28

Refer to the exhibit. The link between switch SW1 and switch SW2 is configured as a trunk, but the trunk failed to establish connectivity between the switches. Based on the configurations and the error messages received on the console of SW1, what is the cause of the problem?

clip_image006

 

A.       The two ends of the trunk have different duplex settings.

B.       The two ends of the trunk have different EtherChannel configurations.

C.       The two ends of the trunk have different native VLAN configurations.

D.      The two ends of the trunk allow different VLANs on the trunk.

 

Correct Answer: C

 

 

QUESTION 29

A campus infrastructure supports wireless clients via Cisco Aironet AG Series 1230, 1240, and 1250 access points. With DNS and DHCP configured, the 1230 and 1240 access points appear to boot and operate normally. However, the 1250 access points do not seem to operate correctly.

What is the most likely cause of this problem?

 

A.       DHCP with option 150

B.       DHCP with option 43

C.       PoE

D.      DNS

E.       switch port does not support gigabit speeds

 

Correct Answer: C

QUESTION 30

A standalone wireless AP solution is being installed into the campus infrastructure. The access points appear to boot correctly, but wireless clients are not obtaining correct access. You verify that this is the local switch configuration connected to the access point:

 

clip_image008

 

What is the most likely cause of the problem?

 

A.        QoS trust should not be configured on a port attached to a standalone AP.

B.        QoS trust for switchport mode access should be defined as "cos".

C.        switchport mode should be defined as "trunk" with respective QoS.

D.        switchport access vlan should be defined as "1".

 

Correct Answer: C

 

 



Download Latest Cisco 642-813 SWITCH Real Free Tests , help you to pass exam 100%.


Leave a Reply