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Exam 350-001: Cisco Certified Internetworking Expert ( CCIE ) Exams

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Question:1 Based on the exhibit presented. P4S-R7 is redistributing routes that it learned from EIGRP into the OSPF process. What OSPF LSA type will be propagated by P4S-R3 from Area 0 into Area 3?

A. A network LSA (type 2) with a route to 0.0.0.0/0 B. An ASBR summary LSA (type 4) with a route to P4S-R7 C. A summary LSA (type 3) with a route to 0.0.0.0/0 D. A router LSA (type 1) with a route to 0.0.0.0/0

Answer: C Question:2 Which statement is true about traffic policing?

A. It is mandatory when enabling NBAR and CBWFQ. B. It is also referred to as 'buffer tuning,' and is an optimal way to manage router I/O memory. C. It allows for the metering and limitation of bandwidth utilization. D. It allows for the provision of low latency on congested interfaces.


Answer: C Question:3 In Company enterprise network, network engineer has connected a packet-capturing device to the common broadcast segment in this network, on which all the routers are configured to run OSPF. By examining various show commands on the routers, the engineer discovers that the designated router is P4SR1. By examining the captured packets, the engineer also discovers that every new LSA that P4SR3 sends to the link, P4SR1 resends to the link a few moments later.Is this correct OSPF operation, and why or why not?

A. This is correct operation; flooding new LSA information to the other routers is a function of the designated router. B. This is incorrect operation; it indicates that while P4SR3 can send packets to P4SR1, P4SR1 cannot send packets to

P4SR3. C. This is incorrect operation; each new LSA should only be flooded onto a given broadcast link once. D. This is correct operation; OSPF uses a scheme whereby each LSA flooded onto a link is acknowledged by the

receiving router through a reflood back onto the link of

Answer: A Question:4 A network is composed of several VRFs. It is required that VRF users VRF_A and VRF_B be able to route to and from VRF_C, which hosts shared services. However, traffic must not be allowed to flow between VRF_A and VRF_B. How can this be accomplished? A. Import and export using route descriptors B. Cisco MPLS Traffic Engineering C. Import and export using route targets D. Route redistribution

Answer: C Question:5 Which these statements are true about the operation of Multicast Listener Discovery? A. IPv6 routers use MLD to discover multicast listeners on directly attached links. B. Since ARP is not used in IPv6, each node and router uses MLD to learn the link layer address of neighbor nodes and

routers on the same local link. C. For each unicast and anycast address configured on an interface of a node or router, a corresponding MLD

address is automatically enabled. D. MLD addresses are scoped to local links Answer: A Question:6 Regarding the exhibit. Assuming that all link costs in this network are 10. P4S-R1 is redistributing 192.168.1.0/24 into area 1 with a next hop of 10.1.1.2, which is its local address on the link between P4S-R1 and P4S-R2. P4S-R2 and P4S-R3, Area Border Routers, are configured to advertise a summary, 10.1.0.0/16; P4S-R2 is advertising this summary with a cost of 20, while P4S-R3 is advertising this summary with a cost of 10.Will P4S-R4 choose P4S-R2 or P4S-R3 as its next hop towards 192.168.1.0/24?


A. P4S-R4 will choose the path through P4S-R2, because it will use the border router (type 4) LSA to calculate the shortest path to the next hop (10.1.1.2), which is

B. P4S-R4 will not have a route to 192.168.1.0/24. C. P4S-R4 will use the path through P4S-R3 to reach 192.168.1.0/24, because the shortest path it has to reach the next

hop (10.1.1.2) is through the summary route D. P4S-R4 will use P4S-R3 to reach 192.168.1.0/24, because OSPF always chooses the closest path to the border with

the area in which an external route is injected.

Answer: A Question:7 As a network administrator, can you tell me what the root guard feature provides in a bridged network? A. It ensures that BPDUs sent by the root bridge are forwarded in a timely manner B. It enforces the root bridge placement in the network C. It ensures that all ports receiving BPDUs from the root bridge are in the forwarding state. D. It ensures that the bridge is elected as root bridge in the network.

Answer: B Question:8 You work as a network technician at Company.com, study the exhibit carefully. In this network, P4S-R1, P4S-R2, and P4S-R3 are all configured to run EIGRP on all their connected interfaces. P4S-R2 is also configured as an EIGRP stub. At P4S-R3, what EIGRP routes are in the local topology table?

A. 172.20.1.0/24 and 172.30.2.0/24 B. 172.30.2.0/24 C. Not enough information has been provided to know what would be in the topology table at P4S-R3. D. 172.30.0.0/16

Answer: B Question:9


On the basis of the exhibit. All the routers in this network are configured to advertise all connected links through BGP, and P4S-R2 through P4S-R4 are configured to advertise all connected links through OSPF. At P4S-R4, 172.30.1.0/24 is not in the local BGP table or the local routing table. What will most likely cause this problem?

A. P4S-R3 is learning 172.30.1.0/24 through IBGP, and therefore it will not readvertise this route to its IBGP peers, including P4S-R4.

B. P4S-R2 is probably filtering 172.30.1.0/24; without looking at the configuration on P4S-R2, you cannot determine what the problem is

C. P4S-R4 has no path to the next hop for 172.30.1.0/24, P4S-R1. D. At P4S-R4, the next hop for 172.30.1.0/24 is P4S-R1, and P4S-R1 is learning about the network between P4S-

R1 and P4S-R2 through IBGP. BGP does not allow

Answer: A Question:10 Internet Protocol version 6 (IPv6) is the next-generation Internet Layer protocol for packet-switched internetworks and the Internet. IPv6 router solicitation is: A. A request made by a node for the IP address of the local router B. A request made by a node to join a specified multicast group C. A request made by a node for a DHCP provided IP address D. A request made by a node for the IP address of the DHCP server

Answer: A Question:11 According to the following information provided in the exhibit, can you tell me what is the overall type of queuing being used on the outgoing data for interface Ethernet0/1?


A. LLQ B. Priority queuing C. Weighted fair queuing D. IP RTP priority queuing

Answer: A Question:12 Refer to the following descriptions, which three are true about Cisco spanning-tree features? (Choose three.) A. RPVST+ converges faster than RSTP during a topology change. B. STP BPDUs are relayed by all non-root bridges and RSTP BPDUs are generated by each bridge. C. RSTP can only achieve rapid transition to Forwarding on edge ports and on point-to-point links. D. RPVST+ and RSTP are both based upon the IEEE 802.1w specification.

Answer: B, C, D Question:13 Observe the following exhibit seriously, which path will be preferred by traffic destined to 10.1.3.1 and arriving at P4S-R1?

A. through P4S-R3, because P4S-R1 will only have a summary (type 3) LSA from P4S-R2 B. through P4S-R2, since it is the path through Area 0 C. through P4S-R3, since that is the lowest cost path (10+10 = 20, which is lower than 100) D. through P4S-R2; this is the only path available for P4S-R1 to reach 10.1.3.0/24, since P4S-R3 is in a different

autonomous system than P4S-R1 and P4S-R2

Answer: B Question:14 As we can see from the figure, some users are occupying a large amount of bandwidth for the peer-to-peer application Kazaa2. You want to limit the traffic while providing a guaranteed 100 kb/s bandwidth for one of your servers. After applying the configuration in the exhibit, you discover that there is no change in the bandwidth utilization on the serial link; it is still heavily oversubscribing the interface. What is the reason of this issue?


A. CEF needs to be enabled for NBAR. B. The server class should have a priority of 100. C. The bandwidth parameter on serial 0/0 is wrong. D. Kazaa2 is not a valid protocol.

Answer: A Question:15 PIM Sparse Mode (PIM-SM) is a multicast routing protocol designed on the assumption that recipients for any particular multicast group will be sparsely distributed throughout the network. In PIM-SM, which control plane signaling should be performed by a multicast source before sending multicast traffic to a group? A. The source must send a PIM Register message to the rendezvous point (RP). B. The source must first join the multicast group using IGMP before sending. C. The source must perform a Request to Send (RTS) and Clear to Send (CTS) handshake with the PIM designated

router (DR). D. No control plane signaling needs to be performed; the source can simply begin sending on the local subnet. Answer: D Question:16 PIM Sparse Mode (PIM-SM) is a multicast routing protocol designed on the assumption that recipients for any particular multicast group will be sparsely distributed throughout the network. Refer to the following descriptions, which two about classic PIM-SM are true? (Choose two.) A. The IOS default is for a last-hop router to trigger a switch to the shortest path tree as soon as a new source is detected

on the shared tree. B. The default behavior of switching to the shortest path tree can be disabled by setting the value in the ip pim spt-

threshold command to "zero" when detecting a new source on the shared tree C. The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can

be disabled by setting the value in the ip pim spt-threshold command to "infinity." D. The IOS default is for each router on the shared tree to trigger a switch to the shortest path tree when detecting a

new source on the shared tree.

Answer: A, C


Question:17 Which two steps below should you perform on the hub router while configuring EIGRP routing over DMVPN (mGRE tunnel)? (Choose two.) A. Set the NHRP hold time to match the EIGRP hold time B. Add the enable eigrp stub command C. Add the disable eigrp as-member split-horizon command D. Add the disable eigrp as-member next-hop-self command

Answer: C, D Question:18 Refer to the following descriptions, which one is correct about how to use Unicast Reverse Path Forwarding to prevent the use of malformed or forged IP sources addresses? A. It is applied only on the input interface of a router. B. It can be configured either on the input or output interface of a router. C. It cannot be configured on a router interface. D. It is configured under any routing protocol process.

Answer: A Question:19 Observe the following exhibit seriously. Assume that VLAN 21 is nonexistent before entering the commands, what will happen after applying the configuration on switch P4S-SW?

A. A new VLAN 21 is created and port 0/8 is assigned to that VLAN. B. Configuration command vlan database should be used first to create the VLAN 21. C. A new VLAN 21 is created, but no ports are assigned to that VLAN. D. No VLAN 21 is created and no ports are assigned to that VLAN.

Answer: A Question:20 Which description of the following is true according to the information shown in the figure?

A. P4S-RTC will not have the 192.168.10.0 network in its routing table. B. P4S-RTC will not have the 10.0.0.0 network in its routing table. C. P4S-RTB will not have the 10.0.0.0 network in its routing table. D. P4S-RTB and P4S-RTC will not have the 10.0.0.0 network in their routing tables.


Answer: B Question:21 Area Border Router (ABR) is a router located on the border of one or more OSPF areas that connect those areas to the backbone network. An ABR will inject a default route into which two types of areas? (Choose two.) A. Area 0 B. NSSA C. Totally stubby D. Stub

Answer: C, D Question:22 Study the following graphic carefully, when using the policy map on the tunnel1 interface, you discover that packet loss for the TCP class starting at about 100000 b/s not the configured 150000 b/s, which of the following is the possible reason for this discrepancy?

A. Policing on tunnel interfaces is not supported. B. The CIR keyword is missing in the policer. C. The burst size is too low. D. The violate-action command should not be configured.

Answer: C Question:23 In computer networking, load balancing is a technique to spread work between two or more computers, network links, CPUs, hard drives, or other resources, in order to get optimal resource utilization, maximize throughput, and minimize response time. There are two parallel serial lines connecting two EBGP peers. Which action will you take to be able to load-balance between two EBGP speakers over the parallel serial lines in both directions? A. Use the command ebgp-load-balance on the neighbor statement on both sides B. Peer between the eBGP speaker's loopbacks, configuring eBGP multihop as required, and use an IGP to load-share

between the two equal-cost paths between the loopback addresses C. Nothing, BGP automatically load-balances the traffic between different autonomous systems on all available links D. Configure a loopback as update source for both EBGP peers and have on each AS an IGP to introduce two equal-

cost paths to reach the EBGP peer loopback address; it is also necessary to use the next-hop-self command

Answer: B Question:24 As shown in the figure, BGP with basic configurations (normal BGP peering for each session) has been configured on each router in this network to advertise every link connected to them. As a network technician of your company, you have just received a trouble ticket stating that H1 is unable to reach a server attached to 191.168.1.0/24, although it can contact addresses on the 192.168.2.0/24 link. Do you know the reason?


A. P4S-R3 will not install a route to 192.168.1.0/24 with a P4S-R1 as the next hop, because BGP speakers will not install a route where the next hop is learned through IBGP.

B. The next hop to 192.168.1.0/24 is P4S-R2, but IBGP will not install a route with a directly-connected next hop. C. H1's default gateway is probably misconfigured. D. The next hop to 192.168.1.0/24 is on the 192.168.2.0/24 network. P4S-R3 does not have a route to 192.168.2.0/24,

so it will not install the route to 192.168.2.0/24.

Answer: A Question:25 In Frame Relay, FECN messages indicating congestion are sent or received by which of following? A. Sent by the destination B. Received by the sender C. Received by the destination D. Sent by the sender Answer: C


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