EnsurepassQUESTION 111 Scenario Refer to the topology. Your company has connected the routers R1, R2 and R3 with serial links. R2 and R3 are connected to the switches SW1 and SW2, respectively. SW1 and SW2 are also connected to the routers R4 and R5.   The EIGRP routing protocol is configured.   You are required to troubleshoot and resolve the EIGRP issues between the various routers.   Use the appropriate show commands to troubleshoot the issues.     Router R6 does Read more [...]
EnsurepassQUESTION 121   Which connection uses the default encapsulation for serial interfaces on Cisco routers?   A.     The serial connection to the NorthCoast branch office. B.      The serial connection to the North branch office. C.      The serial connection to the Southlands branch office. D.     The serial connection to the Multinational Core.   Correct Answer: B       Read more [...]
EnsurepassQUESTION 131 Which option describes a difference between EIGRP for IPv4 and IPv6?   A. Only EIGRP for IPv6 advertises all connected networks. B. Only EIGRP for IPv6 requires a router ID to be configured under the routing process- C. AS numbers are configured in EIGRP but not in EIGRPv3. D. Only EIGRP for IPv6 is enabled in the global configuration mode.   Correct Answer: B Explanation: Router ID - Both EIGRP for IPv4 and EIGRP for IPv6 use a 32-bit number for the Read more [...]
EnsurepassQUESTION 101 What can be done to Frame Relay to resolve split-horizon issues?(Choose two.)   A. Disable Inverse ARP. B. Create a full-mesh topology. C. Develop multipoint subinterfaces. D. Configure point-to-point subinterfaces. E. Remove the broadcast keyword from the frame-relay map command.   Correct Answer: BD Explanation: IP split horizon checking is disabled by default for Frame Relay encapsulation to allow routing updates to go in and out of the same interface. Read more [...]
EnsurepassQUESTION 71 What are two benefits of using a single OSPF area network design? (Choose two.)   A. It is less CPU intensive for routers in the single area. B. It reduces the types of LSAs that are generated. C. It removes the need for virtual links. D. It increases LSA response times. E. It reduces the number of required OSPF neighbor adjacencies.   Correct Answer: BC Explanation: OSPF uses a LSDB (link state database) and fills this with LSAs (link state advertisement). Read more [...]
EnsurepassQUESTION 91 Which two statements about using the CHAP authentication mechanism in a PPP link are true? (Choose two.)   A. CHAP uses a two-way handshake. B. CHAP uses a three-way handshake. C. CHAP authentication periodically occurs after link establishment. D. CHAP authentication passwords are sent in plaintext. E. CHAP authentication is performed only upon link establishment. F. CHAP has no protection from playback attacks.   Correct Answer: BC Explanation: Read more [...]
EnsurepassQUESTION 61 Refer to the exhibit. The network associate is configuring OSPF on the Core router. All the connections to the branches should be participating in OSPF. The link to the ISP should NOT participate in OSPF and should only be advertised as the default route. What set of commands will properly configure the Core router?     A. Core(config-router)# default-information originate Core(config-router)# network area 0 Core(config-router)# exit Core(config)# Read more [...]
EnsurepassQUESTION 81 What is the purpose of Inverse ARP?   A. to map a known IP address to a MAC address B. to map a known DLCI to a MAC address C. to map a known MAC address to an IP address D. to map a known DLCI to an IP address E. to map a known IP address to a SPID F. to map a known SPID to a MAC address   Correct Answer: D Explanation: http://www.ciscopress.com/articles/article.asp?p=170741&seqNum=4   Frame-Relay (a Layer 2 protocol) uses Inverse-Arp Read more [...]
EnsurepassQUESTION 51 Refer to the exhibit. What information about the interfaces on the Main_Campus router is true?     A. The LAN interfaces are configured on different subnets. B. Interface FastEthernet 0/0 is configured as a trunk. C. The Layer 2 protocol of interface Serial 0/1 is NOT operational. D. The router is a modular router with five FastEthernet interfaces. E. Interface FastEthernet 0/0 is administratively deactivated.   Correct Answer: B Explanation: Read more [...]
EnsurepassQUESTION 41 DRAG DROP   Correct Answer:     QUESTION 42 Which type of EIGRP route entry describes a feasible successor?   A. a backup route, stored in the routing table B. a primary route, stored in the routing table C. a backup route, stored in the topology table D. a primary route, stored in the topology table   Correct Answer: C Explanation: http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080093f07.shtml   Feasible Successors Read more [...]
EnsurepassQUESTION 21 Which commands are required to properly configure a router to run OSPF and to add network to OSPF area 0? (Choose two.)   A. Router(config)# router ospf 0 B. Router(config)# router ospf 1 C. Router(config)# router ospf area 0 D. Router(config-router)# network 0 E. Router(config-router)# network area 0 F. Router(config-router)# network area 0   Correct Answer: Read more [...]
EnsurepassQUESTION 31 Which two statements about the OSPF Router ID are true? (Choose two.)   A. It identifies the source of a Type 1 LSA. B. It should be the same on all routers in an OSPF routing instance. C. By default, the lowest IP address on the router becomes the OSPF Router ID. D. The router automatically chooses the IP address of a loopback as the OSPF Router ID. E. It is created using the MAC Address of the loopback interface.   Correct Answer: AD Explanation: Read more [...]
EnsurepassQUESTION 11 At which layer of the OSI model is RSTP used to prevent loops?   A. physical B. data link C. network D. transport   Correct Answer: B Explanation: RSTP and STP operate on switches and are based on the exchange of Bridge Protocol Data Units (BPDUs) between switches. One of the most important fields in BPDUs is the Bridge Priority in which the MAC address is used to elect the Root Bridge , RSTP operates at Layer 2. http://www.cisco.com/en/US/tech/tk389/tk621/technologies_white_paper09186a0080094cfa.shtml Read more [...]
EnsurepassQUESTION 1 Which protocol provides a method of sharing VLAN configuration information between two Cisco switches?   A. STP B. VTP C. 802.1Q D. RSTP   Correct Answer: B Explanation:Understanding VLAN Trunk Protocol (VTP) http://www.cisco.com/en/US/tech/tk389/tk689/technologies_tech_note09186a0080094c52.shtml   Introduction VLAN Trunk Protocol (VTP) reduces administration in a switched network. When you configure a new VLAN on one VTP server, the VLAN is distributed Read more [...]