CCNA English Test Questions_with answers1 Refer to the exhibit What could be possible causes for the "Serial00 is down" interface status Choose two A A Layer 1 problem exists B The bandwidth

uterB. B. It provides a stable IP address for the router's interface. C. It identifies RouterB as the router that originated the advertisement for network 192.168.10.0. D. It is advertised in the routing updates that are sent to other routers in the same OSPF area. E. It should match the IP address of the interface on RouterB that is connected to the 192.168.10.0 network. Answer: BD 5. Which command would you use on a Cisco router to verify the Layer 3 path to a host? A. traceroute B. telnet C. ping D. show ip route Answer: A 6. What is the purpose of the passive-interface command? A. It enables the interface but does not send hello packets. B. It enables OSPF on the interface but does not allow the interface to become a DR or BDR. C. It enables RIP on the interface but does not allow the interface to send updates. D. It disables the interface from sending or receiving any OSPF packets. Answer: D 7. Which command is used to verify the DHCP address pool of a router? A. show ip dhcp pool B. show ip dhcp binding C. show ip dhcp server statistics D. show ip dhcp conflict Answer: A 8. What is the purpose of the command "ip dhcp excluded-address 192.168.1.1 192.168.1.10" in a Cisco router's DHCP configuration? A. It reserves IP addresses for statically assigned hosts. B. It excludes IP addresses from the DHCP address pool. C. It configures a static IP address for the router. D. It configures a default gateway for the DHCP clients. Answer: B 9. Which two commands can be used to verify a VLAN configuration on a Cisco switch? (Choose two.) A. show vlan brief B. show interfaces vlan C. show vlan id D. show running-config vlan E. show vlan summary Answer: AC 10. What is the purpose of the command "switchport trunk native vlan 999" on a Cisco switch interface configured as a trunk? A. It sets the native VLAN for the trunk to VLAN 999. B. It allows VLAN 999 to pass over the trunk without tagging. C. It blocks VLAN 999 from passing over the trunk. D. It enables VLAN 999 to be used as a management VLAN. Answer: