【正文】 ultiplexerE. CSU/DSUF. modem Answer: EF157. When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the interfaceclock rate determined? A. It is supplied by the CSU/DSU.B. It is supplied by the far end router.C. It is determined by the clock rate mand.D. It is supplied by the Layer 1 bit stream timing.Answer: A158. When a new trunk link is configured on an IOS based switch, which VLANs are allowed over the link?A. By default, all defined VLANs are allowed on the trunk.B. Each single VLAN, or VLAN range, must be specified with the switchport mode mand.C. Each single VLAN, or VLAN range, must be specified with the vtp domain mand. D. Each single VLAN, or VLAN range, must be specified with the vlan database mand.Answer: A159. Acknowledgements, sequencing, and flow control are characteristics of which OSI layer? A. Layer 2 B. Layer 3C. Layer 4D. Layer 5 E. Layer 6F. Layer 7 Answer: C160. Which of the following are types of flow control? (Choose three.) A. bufferingB. cutthroughC. windowing D. congestion avoidanceE. load balancingAnswer: ACD161. Which protocol provides a method of sharing VLAN configuration information between switches?A. VTPB. STPC. ISLD. E. VLSMAnswer: A162. Refer to the exhibit. How will router A choose a path to the routing protocols are configured? (Choose three.) A. If RIPv2 is the routing protocol, only the path AD will be installed in the routing table by default.B. If RIPv2 is the routing protocol, the equal cost paths ABD and ACD will be installed in the routing table by default.C. If EIGRP is the routing protocol, only the path AD will be installed in the routing table by default.D. If EIGRP is the routing protocol, the equal cost paths ABD and ACD will be installed in the routing table by default.E. If EIGRP and OSPF are both running on the network, the EIGRP paths will be installed in the routing table.F. If EIGRP and OSPF are both running on the network, the OSPF paths will be installed in the routing table.Answer: ADE 163. Which two devices can interfere with the operation of a wireless network because they operate on similarfrequencies? (Choose two.) A. copierB. microwave ovenC. toasterD. cordless phoneE. IP phoneF. AM radioAnswer: BD164. Refer to the exhibit. Why does RouterA show multiple unequal cost paths to network A. A variance was configured for EIGRP autonomous system 109.B. The EIGRP topology table displays all routes to a destination.C. The EIGRP topology table shows only backup routes to a destination.D. Multiple floating static routes were configured to network via interface Serial0. Answer: B165. Which statement is true about fullduplex Ethernet in parison to halfduplex Ethernet?A. Fullduplex Ethernet consists of a shared cable segment. Halfduplex Ethernet provides a pointtopoint linkB. Fullduplex Ethernet uses a loopback circuit to detect collisions. Halfduplex Ethernet uses a jam signal.C. Fullduplex Ethernet can provide higher throughput than can halfduplex Ethernet of the same bandwidth.D. Fullduplex Ethernet uses two wires to send and receive. Halfduplex Ethernet uses one wire to send and receive.Answer: C166. Which are valid modes for a switch port used as a VLAN trunk? (Choose three.)A. transparent B. auto C. onD. desirableE. blockingF. forwardingAnswer: BCD 167. Refer to the exhibit. A problem with network connectivity has been observed. It is suspected that the cable connected to switch port Fa0/9 on Switch1 is disconnected. What would be an effect of this cable beingdisconnected?A. Host B would not be able to access the server in VLAN9 until the cable is reconnected.B. Communication between VLAN3 and the other VLANs would be disabled.C. The transfer of files from Host B to the server in VLAN9 would be significantly slower.D. For less than a minute, Host B would not be able to access the server in VLAN9. Then normal network function would resume.Answer: D168. Refer to the graphic. How many collision domains are shown? A. oneB. twoC. threeD. fourE. sixF. fourteenAnswer: B169. Refer to the exhibit. The network administrator is in a campus building distant from Building B. WANRouter is hosting a newly installed WAN link on interface S0/0. The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface. How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?A. Telnet to WANRouter and execute the mand show interfaces S0/0B. Telnet to WANRouter and execute the mand show processes S0/0C. Telnet to WANRouter and execute the mand show runningconfigurationD. Telnet to WANRouter and execute the mand show controller S0/0E. Physically examine the cable between WANRouter S0/0 and the DCE.F. Establish a console session on WANRouter and execute the mand show interfaces S0/0Answer: D170. Which encryption type does WPA2 use? A. AESCCMPB. PPK via IV C. PSKD. TKIP/MICAnswer: A171. Refer to the exhibit. A technician is troubleshooting a host connectivity problem. The host is unable to ping a server connected to Switch_A. Based on the results of the testing, what could be the problem?A. A remote physical layer problem exists. B. The host NIC is not functioning.C. TCP/IP has not been correctly installed on the host.D. A local physical layer problem exists.Answer: D172. A routing protocol is required that supports:1) routing update authentication2) an addressing scheme