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Discount Passleader Cisco 200-120 Exam Dumps Help You Pass Exam Quickly (101-110)

QUESTION 101
What will happen if a private IP address is assigned to a public interface connected to an ISP?

A.    Addresses in a private range will be not be routed on the Internet backbone.
B.    Only the ISP router will have the capability to access the public network.
C.    The NAT process will be used to translate this address to a valid IP address.
D.    A conflict of IP addresses happens, because other public routers can use the same range.

Answer: A
Explanation:
Private RFC 1918 IP addresses are meant to be used by organizations locally within their own network only, and can not be used globally for Internet use.

QUESTION 102
Which router IOS commands can be used to troubleshoot LAN connectivity problems? (Choose three.)

A.    ping
B.    tracert
C.    ipconfig
D.    show ip route
E.    winipcfg
F.    show interfaces

Answer: ADF
Explanation:
Ping, show ip route, and show interfaces are all valid troubleshooting IOS commands. Tracert, ipconfig, and winipcfg are PC commands, not IOS.

QUESTION 103
In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?

A.    during high traffic periods
B.    after broken links are re-established
C.    when upper-layer protocols require high reliability
D.    in an improperly implemented redundant topology
E.    when a dual ring topology is in use

Answer: D
Explanation:
If we connect two switches via 2 or more links and do not enable STP on these switches then a loop (which creates multiple copies of the same unicast frame) will occur. It is an example of an improperly implemented redundant topology.

QUESTION 104
VLAN 3 is not yet configured on your switch. What happens if you set the switchport access vlan 3 command in interface configuration mode?

A.    The command is rejected.
B.    The port turns amber.
C.    The command is accepted and the respective VLAN is added to vlan.dat.
D.    The command is accepted and you must configure the VLAN manually.

Answer: C
Explanation:
The “switchport access vlan 3” will put that interface as belonging to VLAN 3 while also updated the VLAN database automatically to include VLAN 3.

QUESTION 105
A network administrator is troubleshooting an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?

A.    Router# show ip eigrp adjacency
B.    Router# show ip eigrp topology
C.    Router# show ip eigrp interfaces
D.    Router# show ip eigrp neighbors

Answer: D


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QUESTION 106
Which port state is introduced by Rapid-PVST?

A.    learning
B.    listening
C.    discarding
D.    forwarding

Answer: C
Explanation:
PVST+ is based on IEEE802.1D Spanning Tree Protocol (STP). But PVST+ has only 3 port states (discarding, learning and forwarding) while STP has 5 port states (blocking, listening, learning, forwarding and disabled). So discarding is a new port state in PVST+.

QUESTION 107
Which statement is correct regarding the operation of DHCP?

A.    A DHCP client uses a ping to detect address conflicts.
B.    A DHCP server uses a gratuitous ARP to detect DHCP clients.
C.    A DHCP client uses a gratuitous ARP to detect a DHCP server.
D.    If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict.
E.    If an address conflict is detected, the address is removed from the pool for an amount of time configurable by the administrator.
F.    If an address conflict is detected, the address is removed from the pool and will not be reused until the server is rebooted.

Answer: D
Explanation:
An address conflict occurs when two hosts use the same IP address. During address assignment, DHCP checks for conflicts using ping and gratuitous ARP. If a conflict is detected, the address is removed from the pool. The address will not be assigned until the administrator resolves the conflict.
http://www.cisco.com/en/US/docs/ios/12_1/iproute/configuration/guide/1cddhcp.html

QUESTION 108
The output of the show frame-relay pvc command shows “PVC STATUS = INACTIVE”. What does this mean?

A.    The PVC is configured correctly and is operating normally, but no data packets have been detected for more than five minutes.
B.    The PVC is configured correctly, is operating normally, and is no longer actively seeking the address of the remote router.
C.    The PVC is configured correctly, is operating normally, and is waiting for interesting traffic to trigger a call to the remote router.
D.    The PVC is configured correctly on the local switch, but there is a problem on the remote end of the PVC.
E.    The PVC is not configured on the local switch.

Answer: D
Explanation:
The PVC STATUS displays the status of the PVC. The DCE device creates and sends the report to the DTE devices. There are 4 statuses:
+ ACTIVE: the PVC is operational and can transmit data + INACTIVE: the connection from the local router to the switch is working, but the connection to the remote router is not available
+ DELETED: the PVC is not present and no LMI information is being received from the Frame Relay switch
+ STATIC: the Local Management Interface (LMI) mechanism on the interface is disabled (by using the “no keepalive” command). This status is rarely seen so it is ignored in some books.

QUESTION 109
Which command is used to enable CHAP authentication, with PAP as the fallback method, on a serial interface?

A.    Router(config-if)# ppp authentication chap fallback ppp
B.    Router(config-if)# ppp authentication chap pap
C.    Router(config-if)# authentication ppp chap fallback ppp
D.    Router(config-if)# authentication ppp chap pap

Answer: B
Explanation:
This command tells the router to first use CHAP and then go to PAP if CHAP isn’t available.

QUESTION 110
Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications?

A.    RSA
B.    L2TP
C.    IPsec
D.    PPTP

Answer: C
Explanation:
IPSec is a framework of open standards that provides data confidentiality, data integrity, and data authentication between participating peers at the IP layer. IPSec can be used to protect one or more data flows between IPSec peers.


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