Refer to the exhibit. A new TAC engineer came to you for advice. A GRE over IPsec tunnel was configured, but the tunnel is not coming up. W hat did the TAC engineer configure incorrectly?（）https://assets.asklib.com/images/image2/2018073016420757032.jpg

A . All ports will be in a state of discarding, learning, or forwarding. B . Thirty VLANs have been configured on this switch. C . The bridge priority is lower than the default value for spanning tree. D . All interfaces that are shown are on shared media. E . All designated ports are in a forwarding state. F . The switch must be the root bridge for all VLANs on this switch.

A . The router is limiting the size of TCP and UDP packets.  B . The configuration implements an effective Layer-2 fragmentation technique. C . The value of 542 is recommended in several RFCs.  D . There is another upstream router terminating the PPPoE session.

A . 192.168.25.0255.255.255.240 B . 192.168.25.16255.255.255.252 C . 192.168.25.0255.255.255.252 D . 192.168.25.28255.255.255.240 E . 192.168.25.16255.255.255.240

A . Physically the voice network and the data network are separate B . The voice traffic will normally be on a different IP subnet than will the data traffic C . End user intervention is necessary to place the phone into the proper VLAN D . The same security policy should be implemented for both voice and data traffic E . The data VLAN must be configured as the native VLAN

A . area 0 stub o n routers R4 and R5 B . area 5 stub on routers R4 and R5 C . area 5 stub no - summary on routers R4 and R5 D . area 0 stub no - summary on router R4 and area 5 stub no - summary on router R5 E . area 5 stub no - summary on router R4 and area 5 stub on router R5

A .  Adaptive Wireless Path （AWP） B .  WLAN Quality of Service （WQoS） C .  Lightweight Access Point Protocol （LWAPP） D .  802.1Q WLAN trunking protocol E .  Layer 2 Roaming （IAPP）

A .  The traffic will be forwarded to the router processor for further processing. B .  The traffic will be dropped. C .  The traffic will be forwarded to the TCAM for further processing. D .  The traffic will be forwarded without further processing.

A . With a network wide mask of 255.255.255.128， each interface does not require an IP address. B . With a network wide mask of 255.255.255.128， each interface does require an IP address on a unique IP subnet. C . With a network wide mask of 255.255.255.0， must be a Layer 2 device for the PCs to communicate with each other. D . With a network wide mask of 255.255.255.0， must be a Layer 3 device for the PCs to communicate with each other. E . With a network wide mask of 255.255.254.0， each interface does not require an IP address.

A . A→D→C→G→E→F→B B . A→D→E→G→C→F→B C . C→D→F→G→E→A→B D . C→D→F→G→A→E→B E . F→D→C→G→A→E→B

A . The router will forward packets from R3 to R2 to R1 B . The router will forward packets from R3 to R1 C . The router will forward packets from R3 to R1 to R2 D . The router will forward packets from R3 to R2 to R1 AND from R3 to R1

A . A .A level 5 password is not set B . The vty password is missing C . The console password is missing D . An ACL is blocking Telnet acce

A . A level 5 password is not set B . The vty password is missing C . The console password is missing D . An ACL is blocking Telnet acce

A . With a network wide mask of 255.255.255.128, each interface does not require an IP address. B . With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet. C . With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other. D . With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other. E . With a network wide mask of 255.255.254.0, each interface does not require an IP address.

A . DSw1 will reply with the MAC address of the next AVF B . DSw2 will reply with the MAC address of the next AVF C . Because of the invalid timers that are configured， DSw1 will not reply D . Because of the invalid timers that are configured， DSw2 will not reply E . DSw1 will reply with the IP address of the next AVF F . DSw2 will reply with the IP address of the next AVF

A .  Physically the voice network and the data network are separate. B .  The voice traffic will normally be on a different IP subnet than will the data traffic. C .  End user intervention is necessary to place the phone into the proper VLAN. D .  The same security policy should be implemented for both voice and data traffic. E .  The data VLAN must be configured as the native VLAN.

A .  Each router determines where to send the JOIN request. B .  The tree will be built based on the IP address of the E2 interface on router E C .  The best path to the source will be discovered in the unicast routing table on router B D .  The best path to the source will be discovered in the unicast routing table on router C E .  The best path to the source will be discovered in the unicast routing table on router E

A . all voice traffic B . all traffic with dscp 18 or dscp 43 C . all traffic with dscp 18 and dscp 43 D . all traffic with ip precedence 0 or 1 E . all traffic with ip precedence 4 and 5

A .  The traffic will be forwarded to the router processor for further processing. B .  The traffic will be dropped. C .  The traffic will be forwarded to the TCAM for further processing. D .  The traffic will be forwarded without further processing.

A . encapsulation aal5snap applied to the PVC B . encapsulation aal5ciscoppp applied to the PVC C . encapsulation aal5ciscoppp applied to the ATM0 interface D . encapsulation aal5mux ppp dialer applied to the ATM0 interface E . encapsulation aal5mux ppp dialer applied to the PVC

A . PC at headquarters  B . PC at the remote office  C . voice-enabled router at headquarters  D . Cisco Unified CallManager publisher at headquarters  E . Cisco Unified CallManager subscriber at headquarters  F . Cisco Unified CallManager Express router at the remote office

A . The router will distribute IP addresses from pool 1 until its addresses are exhausted. Then therouter will begin distributing addresses from pool 2 B . The configuration is invalid because the DHCP options are global configuration commands C . The configuration is incomplete until the DHCP pools are bound to the appropriate interface orinterfaces D . The router will choose which pool to use based upon the interface the DHCP request wasreceived o

A . TherouterwillforwardpacketsfromR3toR2toR1 B . TherouterwillforwardpacketsfromR3toR1 C . TherouterwillforwardpacketsfromR3toR1toR2 D . TherouterwillforwardpacketsfromR3toR2toR1ANDfromR3toR1

A . 10.1.1.2 B . 10.1.2.2 C . 10.1.3.3 D . 10.1.4.4

<img src='https://img2.soutiyun.com/shangxueba/ask/64290001-64293000/64291910/529008d927b67f31920b5858e5879e0b.png' /> A. area 0 stub o n routers R4 and R5 B. area 5 stub on routers R4 and R5 C. area 5 stub no - summary on routers R4 and R5 D. area 0 stub no - summary on router R4 and area 5 stub no - summary on router R5 E. area 5 stub no - summary on router R4 and area 5 stub on router R5

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/67e52e69e1cc511a71a60a5d0c35c68a.jpg' /> A.The loopback addresses are on different subnets B.The value of the dead timers on the router are different C.Route summarization is enabled on both routers D.The process indentifier on router A is different than the process identifier on router B