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QUESTION 111 Your BGP router receives routes from two upstream ISPs: ISP A and ISP B. In this scenario, which change would you make to prefer routes from ISP A?
A. Set the local-preference attribute for all routes received from ISP A to 200 while all routes received from ISP B use the default local-preference value of 100. B. Prepend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value. C. Change the MED value for all routes received from ISP A to 1 while all routes from ISP B remain configured with no MED value. D. Set the local-preference attribute for all routes received from ISP A to 50 while all routes received from ISP B use the default local-preference value of 100.
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QUESTION 287 You enable unicast reverse path forwarding on the ge-0/0/1.0 interface. A packet is received on the ge-0/0/1.0 interface with a source address of 10.10.10.10. A route lookup determines that the next hop for the 10.10.10.10 address is the ge-0/0/1.0 interface. In this scenario which action is performed?
A. The packet is logged B. The packet is forwarded C. The packet is rejected D. The packet is discarded
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Q50 A customer recently migrated to IS-IS and is concerned about resource starvation when the routing protocol daemon (RPD) starts. To resolve this issue and protect R2 and R3, which feature should you implement?
A. Deploy firewall filters to limit the prefix count in the route table B. Double the policy-options damping half-life timer to let the network settle. C. Use the forwarding-options ip-options-protocol-queue parameter to increase resources. D. Implement the overload bit and timer to signal service availability.
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QUESTION 40 You notice traffic destined to 172.31.17.0/24 is traversing an OSPF path rather than BGP path, Referring to Exhibit, What is causing this behavior? ***Exhibit is Missing***
A. The 172.31.17.0/24 BGP route is missing a valid default next hop B. The 172.31.17.0/24 BGP has a higher route preference C. The 172.31.17.0/24 route does not have a valid BGP entry D. The 172.31.17.0/24 BGP route’s outgoing interface is down
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QUESTION 16 Which statement is correct regarding IPv6 addresses?
A. An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections. B. An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections. C. An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections. D. An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
Answer: A
QUESTION 17 Which two statements about MPLS label-switched paths (LSPs) are true? (Choose two.)
A. LSPs are bidirectional. B. LSPs are unidirectional. C. LSPs must follow the IGP’s shortest path. D. LSPs can follow paths other than the IGP’s shortest path.
Answer: BD
QUESTION 18 What are two ways that packet fragmentation is handled differently between IPv6 and IPv4? (Choose two.)
A. End hosts determine the path MTU for IPv6. B. End hosts determine the path MTU for IPv4. C. Packet fragmentation occurs at intermediate nodes for IPv4. D. Packet fragmentation occurs at intermediate nodes for IPv6.
Answer: AC
QUESTION 19 In the exhibit, there are four static routes that route traffic through different interfaces. user@router> show route protocol static inet.0: 15 destinations, 15 routes (15 active, 0 holddown, 0 hidden) + = Active Route, – = Last Active, * = Both 99.0.0.0/17 *[Static/5] 00:00:11 > to 10.1.1.2 via ge-0/0/1.0 99.0.0.0/19 *[Static/5] 00:00:11 > to 10.1.2.2 via ge-0/0/2.0 99.0.0.0/24 *[Static/5] 00:00:11 > to 10.1.3.2 via ge-0/0/3.0 99.0.0.0/26 *[Static/5] 00:00:11 > to 10.1.4.2 via ge-0/0/4.0 Which interface does the router use if traffic is sent to the 99.0.0.1 destination? A. ge-0/0/1 B. ge-0/0/2 C. ge-0/0/3 D. ge-0/0/4 Answer: D
QUESTION 20 In dotted decimal notation, what is the equivalent of 11010101 01000010 01111111 11000010?
A. 213.66.127.194 B. 214.66.128.195 C. 212.64.143.194 D. 213.66.111.194
Answer: A
QUESTION 21 What is the binary equivalent of 242.168.94.124?
A. 11110011 10101000 01011110 01111100 B. 11110010 10101010 01011110 01111100 C. 11110010 10101000 01011110 01111100 D. 11110010 10101000 01010110 01111100
Answer: C
QUESTION 22 What is the last usable IP address in the 218.6.0.0/17 network?
A. 218.6.125.254 B. 218.6.126.254 C. 218.6.127.254 D. 218.6.128.254
Answer: C
QUESTION 23 What is the network address for the 10.13.147.100/19 host?
A. 10.13.128.0 B. 10.13.147.0 C. 10.13.0.0 D. 10.13.100.0
Answer: A
QUESTION 24 Which two prefixes would summarize the networks shown below? (Choose two.) 192.168.1.0/24 192.168.2.0/24 192.168.3.0/24
A. 192.168.0.0/23 B. 192.168.0.0/22 C. 192.168.0.0/24 D. 192.168.0.0/21
Answer: BD
QUESTION 25 How many host addresses are available in the /28 network?
A. 6 B. 14 C. 28 D. 30
Answer: B
QUESTION 26 What are three benefits of using IPv6? (Choose three.)
A. IPv6 supports a greater level of security by integrating features that were optional add- ons in IPv4. B. IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts. C. IPv6 eliminates the need for private to public NAT using a large address pool. D. IPv6 provides backward compatibility with IPv4 using the Next Header field. E. IPv6 represents large IP addresses using dotted decimal notation.
Answer: ABC
QUESTION 27 Which statement is correct about the forwarding table?
A. The forwarding table is stored only on the PFE. B. The forwarding table contains all known routes. C. The forwarding table is stored on both the RE and PFE. D. The forwarding table is stored only on the RE.
Answer: C
QUESTION 28 Which statement describes exception traffic?
A. Exception traffic must be sent to the PFE for processing. B. Exception traffic enters one ingress port and is sent out multiple egress ports. C. Exception traffic is rate-limited on the internal link to prevent DoS attacks. D. Exception traffic is processed after forwarding traffic when congestion exists.
Answer: C
QUESTION 29 What are two benefits of the modular design of the Junos OS? (Choose two.)
A. Each module uses application-specific integrated circuits (ASICs). B. Each module runs in its own protected memory space. C. Each module can be individually restarted. D. Each module is supported across all Junos platforms.
Answer: BC
QUESTION 30 Which statement describes the PFE?
A. The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tables. B. The PFE implements advanced services such as policing, stateless firewall filtering, and class of service. C. The PFE sends traffic to the RE for systematic packet forwarding. D. The PFE receives hardware and environmental status messages from the RE.
QUESTION 33 Click the Exhibit. You are adding a Junos Fusion satellite device but one cascade port is not coming on line. Referring to the exhibit, what would cause this problem?
A. The satellite device is not an EX4300. B. The cascade ports need to be on the same line card. C. The FPC number must match the FPC connecting to the satellite device. D. Interface xe-8/2/1 is in a link down state.
Answer: D
QUESTION 34 In Layer 2 environment where 802.1X is deployed with its default parameters on EX Series, which two statements are correct? (Choose two.)
A. RADIUS authentication requests are sent from authenticator to the authentication server. B. DHCP traffic from supplicants is denied by default through the authenticator. C. RADIUS authentication requests are sent from the supplicant to the authentication server. D. DHCP traffic from supplicants is permitted by default through the authenticator.
Answer: AB
QUESTION 35 Click the Exhibit. Your network is experiencing congestion across the link between R2 and R3. You must make changes to alleviate traffic congestion from R3 to R2. Referring to the exhibit, which two commands would accomplish this task? (Choose two.)
A. [edit protocol ospf] user@R1# set reference-bandwidth 10g B. [edit protocol ospf] user@R3# set reference-bandwidth 10g C. [edit protocols ospf area 0.0.0.0 ] user@R1# set interface fe-1/0/1 metric 5 D. [edit protocols ospf area 0.0.0.0 ] user@R3# set interface fe-1/0/1 metric 5
Answer: BD
QUESTION 36 Which two statements are correct about using LLDP on junos devices? (Choose two)
A. LLDP operates on layer 2 and layer 3 interfaces B. LLDP can interoperate with the cisco discovery protocol CDP C. LLDP is enabled on all devices by default D. LLDP operates on layer 2 interfaces
Answer: AC
QUESTION 37 You have certainly implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS-1 are not able to communicate with the appropriate community devices connected to AS-2. What must be done to allow these community devices to communicate?
A. You must configure an isolation VLAN ID Under the pvlan-200 on the AS2 B. switch You must configure the ge-0/0/10 interface on AS1 AS THE VPLAN on both switches C. You must configure an isolation VLAN ID under the VLAN 200 ON both switches D. You must configure the ge-0/012 interface on both switches as P VLAN trunks
Answer: D
QUESTION 38 Which two statements is true regarding the next hop attribute? (Choose two)
A. it is not changed when sent across EBGP sessions B. it is changed to self for IBGP routes learned from EBGP C. it is not changed for IGBP routes learned from EBGP D. it is Changed by default when sent across EBGP sessions
Answer: CD
QUESTION 39 Your enterprise network is providing layer 2 connectivity between remote-sites using Q-in- Q tunneling. A customer wants to ensure their connection through your network is also participating in their spanning free topology. In this scenario, which solution must be used?
A. you must configure the Q in Q tunnel to use L2PT to tunnel STP packets B. you must configure the same isolation ID on both sides of the tunnel C. you must configure spanning tree on the interfaces connected to the customers sites D. you must configure spanning tree to tunnel packets
Answer: A
QUESTION 40 You want to deploy MSTP with multiple regions. Each region should have a unique root bridge to accommodate a set of VLANs. Which three configuration elements must watch on switches participating in this deployment scenario? (Choose three)
A. MSTI toVLAN mapping B. revision level C. CST BPDU parameters D. configuration name E. bridge priority
Answer: ABD
QUESTION 41 Which policy statement will be applied to neighbor 172.16.4.2?
A. policy-statement all and policy -statement agg B. policy-statement agg C. policy-statement all and policy -statement atat D. policy-statement atat
Answer: A
QUESTION 42 You are attempting to configure BGP peering to a new service provider. The BGP peering state is stuck in the active state. What are two reasons for this happening? (Choose two)
A. the local autonomous system number is not configure B. the origin ID is not configure C. The peer IP address is incorrect D. The peer autonomous number is incorrect.
Answer: C
QUESTION 43 You manage your company enterprises network using EX series switches. Your company wants to use Q in Q tunneling to connect remote customer sites together. Which statement is correct about the scenario?
A. You must enable L2PTto tunnel layer 2 protocol traffic B. The outside layer 2 frame is popped by the penultimate switch C. Customer traffic is tunneled through the network using the C VLAN ID D. The default Ethernet value is 0x9100
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