icnd2 200-105 PDF Practice Questions

December 9, 2019 admin Cisco Certification Material

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Question No. 1

Which option describes how a switch in rapid PVST+ mode responds to a topology change?

A. It immediately deletes dynamic MAC addresses that were learned by all ports on the switch.
B. It sets a timer to delete all MAC addresses that were learned dynamically by ports in the same STP instance.
C. It sets a timer to delete dynamic MAC addresses that were learned by all ports on the switch.
D. It immediately deletes all MAC addresses that were learned dynamically by ports in the same STP instance.

Answer: D

Rapid PVST+

This spanning-tree mode is the same as PVST+ except that is uses a rapid convergence based on the IEEE 802.1w standard. To provide rapid convergence, the rapid PVST+ immediately deletes dynamically learned MAC address entries on a per-port basis upon receiving a topology change. By contrast, PVST+ uses a short aging time for dynamically learned MAC address entries.

The rapid PVST+ uses the same configuration as PVST+ (except where noted), and the switch needs only minimal extra configuration. The benefit of rapid PVST+ is that you can migrate a large PVST+ install base to rapid PVST+ without having to learn the complexities of the MSTP configuration and without having to reprovision your network. In rapid-PVST+ mode, each VLAN runs its own spanning-tree instance up to the maximum supported.

Question No. 2

Which switch port mode prevents DTP frames from being sent?

A. trunk
B. dynamic auto
C. dynamic desirable
D. nonegotiate

Answer: D

Question No. 3

Instructions

R1# show running-config

interface Loopback0

description ***Loopback***

ip address 192.168.1.1 255.255.255.255

ip ospf 1 area 0

interface Ethernet0/0

description **Connected to R1-LAN**

ip address 10.10.110.1 255.255.255.0

ip ospf 1 area 0

interface Ethernet0/1

description **Connected to L2SW**

ip address 10.10.230.1 255.255.255.0

ip ospf hello-interval 25

ip ospf 1 area 0

router ospf 1

log-adjacency-changes

R2# show running-config

interface Loopback0

description **Loopback**

ip address 192.168.2.2 255.255.255.255

ip ospf 2 area 0

interface Ethernet0/0

description **Connected to R2-LAN**

ip address 10.10.120.1 255.255.255.0

ip ospf 2 area 0

interface Ethernet0/1

description **Connected to L2SW**

ip address 10.10.230.2 255.255.255.0

ip ospf 2 area 0

router ospf 2

log-adjacency-changes

R3# show running-config

username R6 password CISCO36

interface Loopback0

description **Loopback**

ip address 192.168.3.3 255.255.255.255

ip ospf 3 area 0

interface Ethernet0/0

description **Connected to L2SW**

ip address 10.10.230.3 255.255.255.0

ip ospf 3 area 0

interface Serial1/0

description **Connected to R4-Branch1 office**

ip address 10.10.240.1 255.255.255.252

encapsulation ppp

ip ospf 3 area 0

interface Serial1/1

description **Connected to R5-Branch2 office**

ip address 10.10.240.5 255.255.255.252

encapsulation ppp

ip ospf hello-interval 50

ip ospf 3 area 0

interface Serial1/2

description **Connected to R6-Branch3 office**

ip address 10.10.240.9 255.255.255.252

encapsulation ppp

ip ospf 3 area 0

ppp authentication chap

router ospf 3

router-id 192.168.3.3

R4# show running-config

interface Loopback0

description **Loopback**

ip address 192.168.4.4 255.255.255.255

ip ospf 4 area 2

interface Ethernet0/0

ip address 172.16.113.1 255.255.255.0

ip ospf 4 area 2

interface Serial1/0

description **Connected to R3-Main Branch office**

ip address 10.10.240.2 255.255.255.252

encapsulation ppp

ip ospf 4 area 2

router ospf 4

log-adjacency-changes

R5# show running-config

interface Loopback0

description **Loopback**

ip address 192.168.5.5 255.255.255.255

ip ospf 5 area 0

interface Ethernet0/0

ip address 172.16.114.1 255.255.255.0

ip ospf 5 area 0

interface Serial1/0

description **Connected to R3-Main Branch office**

ip address 10.10.240.6 255.255.255.252

encapsulation ppp

ip ospf 5 area 0

router ospf 5

log-adjacency-changes

R6# show running-config

username R3 password CISCO36

interface Loopback0

description **Loopback**

ip address 192.168.6.6 255.255.255.255

ip ospf 6 area 0

interface Ethernet0/0

ip address 172.16.115.1 255.255.255.0

ip ospf 6 area 0

interface Serial1/0

description **Connected to R3-Main Branch office**

ip address 10.10.240.10 255.255.255.252

encapsulation ppp

ip ospf 6 area 0

ppp authentication chap

router ospf 6

router-id 192.168.3.3

An OSPF neighbor adjacency is not formed between R3 in the main office and R6 in the Branch3 office. What is causing the problem?

A. There is an area ID mismatch.
B. There is a PPP authentication issue; the username is not configured on R3 and R6.
C. There is an OSPF hello and dead interval mismatch.
D. The R3 router ID is configured on R6.

Answer: D

Using the show running-config command we see that R6 has been incorrectly configured with the same router

ID as R3 under the router OSPF process.

Question No. 4

What are three valid reasons to assign ports to VLANs on a switch? (Choose three)

A. to make VTP easier to implement
B. to isolate broadcast traffic
C. to increase the size of the collision domain
D. to allow more devices to connect to the network
E. to logically group hosts according to function
F. to increase network security

Answer: B, E, F

Question No. 5

Which command do you enter to verify an SVI?

A. show running-configuration | include vlan5
B. show vlan5
C. show interface vlan5
D. show startup-configuration | include vlan5

Answer: C

Question No. 6

Refer to the exhibit. A network technician enters the following line into the router.

Tidmore1(config)# access-list 106 deny tcp 192.168.254.0 0.0.0.255 any eq www

What is the effect of this configuration?

A. The change has no effect on the packets being filtered.
B. All traffic from the 192.168.254.0 LAN to the Internet is permitted.
C. Web pages from the Internet cannot be accessed by hosts in the 192.168.254.0 LAN.
D. No hosts in the 192.168.254.0 LAN except 192.168.254.7 can access web pages from the Internet.

Answer: A

Question No. 7

Which two data integrity algorithms are commonly used in VPN solutions? (Choose two.)

A. DH1
B. DH2
C. HMAC-MD5
D. HMAC-SHA-1
E. RSA

Answer: C, D

Question No. 8

From which PPPoE server configuration does a PPPoE client get an IP address?

A. AAA authentication
B. DHCP
C. dialer interface
D. virtual-template interface

Answer: D

Question No. 9

Refer to the exhibit.

How many interfaces on R1 should be configured as ip nat inside to grant external access to the entire network?

A. 1
B. 3
C. 4
D. 5

Answer: C

Question No. 10

What Cisco IOS feature can be enabled to pinpoint an application that is causing slow network performance?

A. SNMP
B. Netflow
C. WCCP
D. IP SLA

Answer: B

Netflow can be used to diagnose slow network performance, bandwidth hogs and bandwidth utilization quickly with command line interface or reporting tools.

http://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/ios-netflow/prod_white_paper0900aecd80406232.html

Question No. 11

Which command do you enter to determine the status of the SVI for VLAN 10?

A. show ip interface brief
B. show run interface vlan 10
C. show vtp status
D. show interface trunk

Answer: A

Question No. 12

Which routing protocol is most appropriate for sending and receiving routes directly to and from the Internet?

A. RIP
B. BGP
C. EIGRP
D. OSPF

Answer: B

Question No. 13

Which two commands correctly verify whether port security has been configured on port FastEthernet 0/12 on

a switch? (Choose two.)

A. SW1#show port-secure interface FastEthernet 0/12
B. SW1#show switchport port-secure interface FastEthernet 0/12
C. SW1#show running-config
D. SW1#show port-security interface FastEthernet 0/12
E. SW1#show switchport port-security interface FastEthernet 0/12

Answer: C, D

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