EMT Practice Test

1. Question Content...

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Question1: By default, how does a VPLS handle a tagged frame received at the ingress of a null SAP on an Nokia 7750 SR?

Question2: An Nokia 7750 SR is configured with an export policy to redistribute its directly-connected networks into BGP. Which of the following databases contains the routes for these networks?

Question3: Click the exhibit button.

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub networks, which of the following statements regarding type 4 LSA generation is true?

Question4: Which of the following statements regarding BGP shortcuts is FALSE?

Question5: Click on the exhibit.

After the Isp-ping command is executed, which of the following best describe the router's action?

Question6: What are the types of networks supported on an Nokia 7750 SR for OSPF? (Choose 2)

Question7: Click on the exhibit.

An LSP traverses the path R1-R2-R3. With one-to-one fast reroute enabled, which router becomes a DMP for the detour tunnels?

Question8: What is the default Nokia 7750 SR TTL of a BGP advertisement between confederation members?

Question9: Which of the following statements regarding BGP Fast Reroute is FALSE?

Question10: Which of the following prefix lists include prefixes 192.168.128.0/17 and 192.168.64.0/18?

Question11: What happens by default on an Nokia 7750 SR when a VPLS accepts a tagged frame at the ingress SAP
1/1/1:100?

Question12: If OSPF is used in a multi-area OSPF network, which of the following statements regarding route summarization is true?

Question13: What must be configured on the Nokia 7750 SR for RIP to advertise locally attached links?

Question14: Which ofthe following commands is used to display the databasecontaining the OSPF-TE LSAs?

Question15: Which of the following about LSP path configuration on an Nokia 7750 SR is TRUE?

Question16: What command will show the OSPF neighbors, and their status on the Nokia 7750 SR?

Question17: What command could be used to verify proper configuration of a static route in an Nokia 7750 SR router?

Question18: Which of the following statements concerning OSPFv3 is false?

Question19: Click the exhibit button.

Router R2 advertises the network 192.168.3.0/24 to router R1 via OSPF. A route policy has been constructed to discard the route on router R1; however, it is not working. What is the problem?

Question20: How many service labels must be signaled to bring up a fully-meshed VPLS among three PE routers?

Question21: What happens by default on an Nokia 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?

Question22: Which of the following correctly lists the 5 OSPF packet types?

Question23: Which of the following about VPN labels is FALSE?

Question24: When an OSPF adjacency is stuck in the "ExchStart" state, what is the most likely cause?

Question25: Which of the following about Type 10 opaque LSAs is TRUE?

Question26: What modes of authentication are supported for RIPv2 on the Nokia 7750 SR?

Question27: Which of the following statements about SAPs that are part of a VPVVS is FALSE?

Question28: Click the exhibit.

Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4. Which of the following is a valid configuration on router RR1?

Question29: In a Layer 2 encapsulation using T-LDP, what does the first (top) label represent?

Question30: NSSA LSA packets are what type within an NSSA area, and are converted to what other type at the ABR?

Question31: An IS-IS TE enabled router has an interface on a 500Mbps link and it is configured with a 25% subscription.
If this interface is not used by any LSPs. what value will be shown in the Reservable Bandwidth sub-TLV?

Question32: Click on the exhibit. After the Isp-ping command is executed, which of the following best describe the router's action?

Question33: In an IP datagram, which field identifies the receiving application

Question34: Which of the following about transport and service tunnels is FALSE?

Question35: Click on the exhibit.

An LSP path is established on router R1 toward router R6. If there is a problem on router R4, but the link between R2 and R4 remains up, which of the following will affect the failure detection time?

Question36: Click the exhibit.

Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between ISP 1 and the other ISPs?

Question37: A BGP session is in OpenConfirm state. Which of the following messages must be received to transition to Established state?

Question38: On which object is ADSPEC enabled?

Question39: In which of the following types of areas does an OSPF router not set the E bit in its Type 1 LSA?

Question40: Click on the exhibit.

What is the possible reason that the label for prefix 192.10.1.2/32 is not active?

Question41: Click on the exhibit.

Two LSPs traverse the path R1-R2-R3. Both LSPs are configured with facility fast reroute and link protection.
When router R1 is the PLR, which router becomes the Merge Point (MP) for this LSP?

Question42: Click the exhibit.

The operator at PE1 wants to analyze the traffic between CE4 and PE2. On an Nokia 7750 SR, which of the following is required as part of the configuration?

Question43: Click the exhibit.

The output is from PE router R1 about VPRN service 100. From which protocol did router R1 learn the prefix
192.168.20.0/24?

Question44: What best describes the type of packets used by OSPF routers to exchange updates on a pointto-point link?

Question45: Facility fast reroute with node protection is enabled for an LSP, which of the following is FALSE?

Question46: Click the exhibit button.

Which of the following would correctly configure routers R2, R3, and R4?

Question47: Which of the following about VPRNs is TRUE?

Question48: In an OSPF Hello packet, which of the following fields must match for all neighbor routers on the segment?
Choose three answers.

Question49: Click the exhibit button.

The OSPF packets shown have been exchanged between two neighbors. What state is the OSPF adjacency in?

Question50: Which of the following is NOT a characteristic of MPLS?

Question51: The configuration of an Nokia 7750 SR is given below. Router Rl has established BGP sessions with routers R2 and R3. Which of the following is TRUE?

Question52: Click the exhibit button.

Routers R1 , R2, and R3 are running a classful routing protocol between them. Assuming that router R1 advertises all directly connected networks, how will these networks be represented in router R3's routing table?

Question53: What is the source IP address in an OSPF update?

Question54: What is the purpose of configuring a triggered-policy on an Nokia 7750 SR?

Question55: Which of the following is NOT required when configuring an LSP with an admin group constraint on an Nokia 7750 SR?

Question56: Click on the exhibit.

Which of the following is FALSE?

Question57: Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.
Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes on router R1?

Question58: Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP policy?

Question59: Which of the following statements regarding Internet Exchange Points is FALSE?

Question60: How does a DMP inform the downstream routers that it has merged detour tunnels?

Question61: Click the exhibit.

Assume all router-IDs are properly configured, and global IPv6 addresses are used to establish eBGP sessions.
Which of the following configurations is required on router A so that router B can exchange traffic with router D?

Question62: Click on the exhibit.

The route table on router R2 shows the system address of router R5 but it does not show any of the interfaces from the non-OSPF area.
What may be causing this?

Question63: An E-pipe is configured with a service MTU of 5000. What is the minimum MTU value that should be set on an access port for a dot1q encapsulated SAP on this service?

Question64: Click the exhibit.

If router A originates a BGP route for prefix 192.168.0.1/27, what will the update contain when it reaches router B?

Question65: Which of the following regarding per-platform label space is TRUE?

Question66: Which of the following about RSVP-TE is FALSE?

Question67: What is the default preference value for a static route in the Nokia 7750 SR router?

Question68: A CE is connected to an IES interface. Which of the following is TRUE?

Question69: Which of the following regarding BGP Path Identifier is FALSE?

Question70: Click the exhibit.

AS 65100 is advertising 192.168.1.0/27 into BGP. Which of the following AS Paths would the prefix
192.168.1.0/27 contain when viewed on router R8?

Question71: Which of the following is a characteristic of LDP Hello messages?

Question72: What is the default preference value for a static route in the Nokia 7750 SR?

Question73: Which of the following prefix-lists is the most specific match for prefix 172.31.2.1/24?

Question74: Which of the following statements best describes an OSPF type 3 LSA?

Question75: Which of the following statements regarding area border routers in an OSPF network is true?

Question76: Which of the following comparisons between E-pipes and VPLSes is FALSE?

Question77: What class of attribute is Originator_ID?

Question78: Which of the following about the Nokia 7750 SR sdp-ping is TRUE?

Question79: Which of the following is TRUE if the local state of BGP is OpenConfirm?

Question80: Click on the exhibit.

An LDP tunnel is established on R1-R2-R4-R6 because the link between routers R3 and R6 is down. With the LDP-IGP Sync feature enabled, what happens immediately after the link is restored?

Question81: Click the exhibit.

Considering that both routers C and D are advertising the eBGP learned prefix 10.5.0.0/16 into ISP X, which of the following best describes the route advertisement within ISP X?

Question82: Which of the following regarding BGP confederations is FALSE?

Question83: Click the exhibit button.

192.168.3.1 is a loopback interface on router R2 and is distributed to OSPF area 0, but the ping fails from router R3. Which of the following is a possible solution to the problem?

Question84: Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.
Assuming that router R6 is configured with "advertise-external", what is the expected output of "show router bgp routes" when executed on router R1?

Question85: Which one of the commands below will create a static route to network 2.3.4.0/24 on the AlcatelLucent 7750 SR router?

Question86: Which of the following about VPLS MAC learning is TRUE?

Question87: When redistributing OSPF into RIP V2 what must be taken into consideration for the redistribution to take place?

Question88: Which of the following about VPLS MAC learning is FALSE?

Question89: Which of the following regarding MPLS encapsulation for VPRN services is TRUE?

Question90: How many databases does a Link State routing protocol use?

Question91: To enable the LDP-over-RSVP feature, which of the following configurations is NOT required on an Nokia
7750 SR?

Question92: Which of the following routes is NOT considered an internal route?

Question93: Click on the exhibit.

This policy is applied on a router as an LDP export policy and an LDP session has been established between this router and its neighboring router. In addition to the FECs learned from its neighbors, what additional FECs will appear in this router's LIB?

Question94: Which of the following defines an FEC in traditional IP?

Question95: If a Router originates a type 1 router LSA with the E bit set what types of areas can it belong to? Select all that apply.

Question96: What address is used when RIPv2 uses multicast to send its updates?

Question97: Click the exhibit.

Given the following configuration of router R1, what can be said about the function of each of AS 65540s routers?

Question98: Consider a device that uses per-platform label space; which of the following fields is NOT contained in the LFIB?

Question99: A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400
65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS Path of 65600 65300 and a local preference of 100. Which route will appear in the RIB-out?

Question100: What is the purpose of a T-LDP session?

Question101: A network consists of four PE routers. A customer requires a VPLS and has sites connected to each PE. The VPLS is fully meshed using IP/MPLS. How many SDPs must be configured on each PE?

Question102: If the Nokia 7750 SR is rebooted after an "admin save'' has been performed, which of the following about mirror services is TRUE?