Cisco 100-105 Online Practice Questions and Exam Preparation

Cisco 100-105 Online Questions & Answers

• Question 481:

  Which statement about DHCP snooping is true?

  A. it blocks traffic from DHCP servers on untrusted interfaces.
  B. it can be configured on switches and routers.
  C. it allows packets from untrusted ports if their source MAC address is found in the binding table.
  D. it uses DHCPDiscover packets to identify DHCP servers.
  A. it blocks traffic from DHCP servers on untrusted interfaces.

• Question 482:

  When is a routing table entry identified as directly connected?

  A. when the local router is in use as the network default gateway
  B. when the network resides on a remote router that is physically connected to the local router
  C. when an interface on the route is configure with an ip address and enabled
  D. when the route is statically assigned to reach a specific network
  C. when an interface on the route is configure with an ip address and enabled

• Question 483:

  

  

  

  

  

  R1 clock is synchronized with ISP router. R2 is supposed to receive NTP updates from R1. But you observe that R2 clock is not synchronized with R1. What is the reason R2 is not receiving NTP updates from R1?

  A. The IP address that is used in the NTP configuration on R2 router is incorrect.
  B. The NTP server command not configured on R2 router.
  C. R2 router Ethernet interface that is connected to R1 is placed in shutdown condition.
  D. R1 router Ethernet interface that is connected to R2 is placed in shutdown condition.
  A. The IP address that is used in the NTP configuration on R2 router is incorrect.

• Question 484:

  Which two IPv6 addresses are valid? (Choose two.)

  A. 2020::DBB::1337:0:5709:3670
  B. 2000:::1
  C. FF01::101
  D. FE80:CD00::0:CDE:1227:0:211D:7790
  E. 0001::1:1CD0:8665:9801:96C3:C409
  B. 2000:::1
  E. 0001::1:1CD0:8665:9801:96C3:C409

• Question 485:

  Which method does a connected trunk port use to tag VLAN traffic?

  A. IEEE 802.1w
  B. IEEE 802.1D
  C. IEEE 802.1Q
  D. IEEE 802.1p
  C. IEEE 802.1Q

• Question 486:

  Which of the following are types of flow control? (Choose three.)

  A. buffering
  B. cut-through
  C. windowing
  D. congestion avoidance
  E. load balancing
  A. buffering
  C. windowing
  D. congestion avoidance

• Question 487:

  Assume all the routing protocol have the same length prefix, what would the router prefer?

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

• Question 488:

  Refer to the exhibit.

  

  A network device needs to be installed in the place of the icon labeled Network Device to accommodate a leased line attachment to the Internet. Which network device and interface configuration meets the minimum requirements for this installation?

  A. a router with two Ethernet interfaces
  B. a switch with two Ethernet interfaces
  C. a router with one Ethernet and one serial interface
  D. a switch with one Ethernet and one serial interface
  E. a router with one Ethernet and one modem interface
  C. a router with one Ethernet and one serial interface

• Question 489:

  Examine the network diagram and router output shown in the exhibit. Users on the BHM LAN are unable to access the server attached to the BHE router. What two things should be done to fix this problem? (Choose two.)

  

  A. Enter the configuration mode for interface fastethernet0/0.
  B. Enter the configuration mode for interface serial0/0.
  C. Enter the configuration mode for interface serial0/1.
  D. Issue the run command.
  E. Issue the enable command.
  F. Issue the no shutdown command.
  B. Enter the configuration mode for interface serial0/0.
  F. Issue the no shutdown command.

• Question 490:

  After you configure a default route to the Internet on a router, the route is missing from the routing table. Which option describes a possible reason for the problem?

  A. The next-hop address is unreachable.
  B. The default route was configured on a passive interface.
  C. Dynamic routing is disabled.
  D. Cisco Discovery Protocol is disabled on the interface used to reach the next hop.
  A. The next-hop address is unreachable.