200-125 Exam
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New Cisco 200-125 Exam Dumps Collection (Question 1 - Question 10)
Question No: 1
What are three characteristics of satellite Internet connections? (Choose three.)
A. Their upload speed is about 10 percent of their download speed.
B. They are frequently used by rural users without access to other high-speed connections.
C. They are usually at least 10 times faster than analog modem connections.
D. They are usually faster than cable and DSL connections.
E. They require a WiMax tower within 30 miles of the user location.
F. They use radio waves to communicate with cellular phone towers.
Answer: A,B,C
Question No: 2
Which IPv6 header field is equivalent to the TTL?
A. Hop Limit
B. Flow Label
C. TTD
D. Hop Count
E. Scan Timer
Answer: A
Question No: 3
Which spanning-tree protocol rides on top of another spanning-tree protocol?
A. MSTP
B. RSTP
C. PVST+
D. Mono Spanning Tree
Answer: A
Question No: 4
Why is the Branch2 network 10.1 0.20.0/24 unable to communicate with the Server farm1 network 10.1 0.10.0/24 over the GRE tunnel?
A. The GRE tunnel destination is not configured on the R2 router.
B. The GRE tunnel destination is not configured on the Branch2 router.
C. The static route points to the tunnel0 interface that is misconfigured on the Branch2 router.
D. The static route points to the tunnel0 interface that is misconfigured on the R2 router.
Answer: C
Explanation:
The Branch2 network is communicating to the Server farm, which is connected to R2, via GRE Tunnel so we should check the GRE tunnel first to see if it is in u201cup/upu201d state with the u201cshow ip interface briefu201d command on the two routers.
On Branch2:
On R2:
We see interfaces Tunnel0 at two ends are u201cup/upu201d which are good so we should check for the routing part on two routers with the u201cshow running-configu201d command and pay attention to the static routing of each router. On Branch2 we see:
R2_show_run_static.jpg
The destination IP address for this static route is not correct. It should be 192.168.24.1 (Tunnel0u2021s IP address of R2), not 192.168.24.10 -> Answer C is correct.
Note: You can use the u201cshow ip routeu201d command to check the routing configuration on each router but if the destination is not reachable (for example: we configure u201cip route 10.10.10.0 255.255.255.0 192.168.24.10u201d on Branch2, but if 192.168.24.10 is unknown then Branch2 router will not display this routing entry in its routing table.
Question No: 5
Which two statements about IPv6 and routing protocols are true? (Choose two.)
A. Link-local addresses are used to form routing adjacencies.
B. OSPFv3 was developed to support IPv6 routing.
C. EIGRP, OSPF, and BGP are the only routing protocols that support IPv6.
D. Loopback addresses are used to form routing adjacencies.
E. EIGRPv3 was developed to support IPv6 routing.
Answer: A,B
Question No: 6
Which two components are used to identify a neighbor in a BGP configuration? (Choose two.)
A. autonomous system number
B. version number
C. router ID
D. subnet mask
E. IP address
Answer: A,E
Explanation:
Use theshow ip bgp neighbors(registeredcustomers only)command to display information about the TCP and Border Gateway Protocol (BGP) connections and verify if the BGP peer is established. The output of theshow ip bgp neighborscommand below shows the BGP state as 'Established', which indicates that the BGP peer relationship has been established successfully.
R1-AGS#show ip bgp neighbors | include BGP
BGP neighbor is10.10.10.2, remote AS 400,internal link
BGP version 4, remote router ID 2.2.2.2 BGP state = Established, up for 00:04:20 BGP table version 1, neighbor version 1 R1-AGS#
Theshow ip bgp neighborscommand has been used above with the modifier| include BGP. This makes the output more readable by filtering the the command output and displaying the relevant parts only.
In addition, theshow ip bgp summary(registeredcustomers only)command can also be used to display the status of all BGP connections, as shown below.
R1-AGS(9)#show ip bgp summary
BGP router identifier 10.1.1.2, local AS number 400 BGP table version is 1, main routing table version 1
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 10.10.10.2 4 400 3 3 1 0 0 00:00:26 0
Question No: 7
Which three technical services support cloud computing? (Choose three.)
A. Layer 3 network routing
B. redundant connections
C. extended SAN services
D. IP localization
E. VPN connectivity
Answer: B,C,D
Question No: 8
What is the best way to verify that a host has a path to other hosts in different networks?
A. Ping the loopback address.
B. Ping the default gateway.
C. Ping the local interface address.
D. Ping the remote network.
Answer: D
Explanation:
Ping is a tool that helps to verify IP-level connectivity; PathPing is a tool that detects packet loss over multiple-hop trips. When troubleshooting, thepingcommand is used to send an ICMP Echo Request to a target host name or IP address. Use Ping whenever you want to verify that a host computer can send IP packets to a destination host. You can also use the Ping tool to isolate network hardware problems and incompatible configurations.
If you callipconfig /alland receive a response, there is no need to ping the loopback address and your own IP address u2014 Ipconfig has already done so in order to generate the report.
It is best to verify that a route exists between the local computer and a network host by first using ping and the IP address of the network host to which you want to connect. The command syntax is:
ping <IP address>
Perform the following steps when using Ping:
u2711 Ping the loopback address to verify that TCP/IP is installed and configured correctly on the local computer.
ping 127.0.0.1
If the loopback step fails, the IP stack is not responding. This might be because the TCP drivers are corrupted, the network adapter might not be working, or another service is interfering with IP.
u2711 Ping the IP address of the local computer to verify that it was added to the network
correctly. Note that if the routing table is correct, this simply forwards the packet to the loopback address of 127.0.0.1.
ping<IP address of local host>
u2711 Ping the IP address of the default gateway to verify that the default gateway is functioning and that you can communicate with a local host on the local network.
ping<IP address of default gateway>
u2711 Ping the IP address of a remote host to verify that you can communicate through a router.
ping<IP address of remote host>
u2711 Ping the host name of a remote host to verify that you can resolve a remote host name.
ping<Host name of remote host>
u2711 Run a PathPing analysis to a remote host to verify that the routers on the way to the destination are operating correctly.
pathping<IP address of remote host>
Question No: 9
Which routing protocol has the smallest default administrative distance?
A. IBGP
B. OSPF
C. IS-IS
D. EIGRP
E. RIP
Answer: D
Explanation: http://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol- bgp/15986-admin-distance.html
Default Distance Value Table
This table lists the administrative distance default values of the protocols that Cisco supports:
Route Source
Default Distance Values
Connected interface 0
Static route 1
Enhanced Interior Gateway Routing Protocol (EIGRP) summary route 5
External Border Gateway Protocol (BGP) 20
Internal EIGRP 90
IGRP 100 OSPF
110
Intermediate System-to-Intermediate System (IS-IS) 115
Routing Information Protocol (RIP) 120
Exterior Gateway Protocol (EGP) 140
On Demand Routing (ODR) 160
External EIGRP 170
Internal BGP 200
Unknown* 255
Question No: 10
Which identification number is valid for an extended ACL?
A. 1
B. 64
C. 99
D. 100
E. 299
F. 1099
Answer: D