EMT Practice Test

1. Question Content...

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Question1: Which of the following are true about Layer 2 and Layer 3 strategies in data center architectures? (Choose two)

Question2: What are two consequences of having all network devices in a single collision domain? (Choose two.)

Question3: In Junos, which command is used to display the status of all interfaces?

Question4: You are creating an IP fabric underlay and want to use OSPF as your routing protocol.
In this scenario, which statement is correct?

Question5: Which statement is correct about the OSPF link-state database?

Question6: Referring to the exhibit, which two statements are correct about the IP fabric? (Choose two.)

Question7: Which operation mode command will display the mapping between the VLAN ID and ports on a switch?

Question8:
Referring to the exhibit, why are the BGP routes hidden?

Question9: Which three actions are required to implement filter-based forwarding? (Choose three.)

Question10: MACsec provides protection against which two types of threats? (Choose two.)

Question11: What is the main purpose of Bidirectional Forwarding Detection (BFD)?

Question12: What roles do the Designated Router (DR) and Backup Designated Router (BDR) play in OSPF?

Question13: In networking, what is a RIB group primarily used for?

Question14: When troubleshooting issues with static routes, what is a key factor to check first?

Question15: What is the purpose of using route reflectors in BGP?

Question16: A generated route is configured under which hierarchy?

Question17: In OSPF, which term refers to routers that have interfaces in multiple areas?

Question18: Which OSPF packet types are used to establish and maintain neighbor relationships? (Choose two)

Question19: In OSPF, which command is commonly used to monitor neighbor relationships?

Question20: Filter-based forwarding is typically used to:

Question21: Which signaling protocol is used for EVPN?

Question22: What are two device roles in a five-member Virtual Chassis? (Choose two.)

Question23: What is the main advantage of using an Overlay Network in a data center?

Question24: Exhibit:

Referring to the exhibit, which statement is correct?

Question25: Under which Junos hierarchy is a static route configured?

Question26: Referring to the exhibit, how many milliseconds will pass before the BGP neighbor is considered dead?

Question27: Exhibit:

Referring to the exhibit, what is the route preference of the 172.25.11.254 next hop?

Question28: What is the primary role of an IRB interface in a VLAN configuration?

Question29: Which type of route is used to represent a summary of multiple smaller networks?

Question30: Which OSPF troubleshooting tool is used to check the OSPF process and neighborship?

Question31: Exhibit:

Referring to the exhibit, which next hop will be preferred in the routing table?

Question32: Which statement is correct about OSPF?

Question33: What does VXLAN stand for in the context of EVPN/VXLAN?

Question34: You want to enable a Junos device to support aggregated Ethernet interfaces. In this scenario, which configuration hierarchy would you use?

Question35: In the Junos OS, what is the default behavior of a switch when it receives a frame with an unknown destination MAC address?

Question36: In the context of Ethernet bridging on Junos devices, what is the purpose of the Spanning Tree Protocol (STP)?

Question37: Which three technologies improve high availability and convergence in a data center network? (Choose three.)

Question38: When using spine and leaf fabric architectures, what is the role of each device? (Choose two.)

Question39: Referring to the exhibit, you notice that after committing the configuration, the ae0 and ae1 interfaces appear in a link down state.

Which statement is correct in this scenario?

Question40: Which two statement are correct about trunk ports? (Choose two.)

Question41: BGP is primarily used for which purpose in a network?

Question42: Which two statements are correct about VLAN tags? (Choose two.)

Question43: Which route is preferred by the Junos OS software routing tables?

Question44: Which two statements are correct about EVPN-VXLAN overlay networking? (Choose two.)

Question45: Which two statements are correct about using LACP on a Junos device? (Choose two.)

Question46: In Ethernet switching, what is the primary function of a storm control policy?

Question47: Which statement is correct about an IP fabric?

Question48: Within your router, you want to verify that you are learning routes from a remote BGP peer at IP address
10.10.100.1. Which command would satisfy the requirement?

Question49: In configuring load balancing on a network router, which aspect is most crucial?

Question50: What is Integrated Routing and Bridging (IRB) primarily used for in a Junos device?

Question51: Which of the following are true regarding port modes in a VLAN setup? (Choose two)

Question52: Which Junos operational mode command is used to troubleshoot issues with VLANs?

Question53: Which EBGP feature must be used when peering to a non-directly connected peer address?

Question54: When configuring High Availability components, which of the following practices are recommended? (Choose two)

Question55: Which statement is correct about per-flow load balancing?

Question56: What is a key characteristic of traditional multi-tier data center architectures?

Question57: You want to minimize topology disruptions in your network when the rpd process restarts on a device. Which service would accomplish this task?

Question58: EVPN/VXLAN is primarily used in modern data centers to:

Question59: Which of the following VLAN port modes exist in Junos OS? (Choose two)

Question60: Which Junos OS routing table stores IPv6 addresses?

Question61: How does OSPF calculate the best path to a particular prefix?

Question62: What are two requirements for an IP fabric? (Choose two.)

Question63: When evaluating BGP routes, what will be evaluated first?

Question64: Exhibit:

R2 received an OSPF update from R1, and it received the same update from R3.
Referring to the exhibit, what will R2 do?

Question65: What is the default route preference of a static route in the Junos OS?

Question66: Which statement is correct about a three-stage IP fabric underlay?

Question67: Leaf and spine data centers are used to better accommodate which type of traffic?

Question68: Which state in the adjacency process do OSPF routers check the MTU size?

Question69: When configuring static routes, which command is typically used?

Question70: Referring to the exhibit, which two statements are true? (Choose two.)

Question71: Which of the following are functions of MACsec? (Choose two)

Question72: Which statement about switches is correct?

Question73: With regards to graceful restart, which two statements are true? (Choose two.)

Question74: Which two statements are correct about aggregate routes and generated routes? (Choose two.)

Question75: Which of the following BGP attributes is considered first in the route selection process?

Question76: Referring to the exhibit, how many stages are in this IP fabric?

Question77: In OSPF, how is the Router ID determined?

Question78: What are two reasons why you would deploy an IP fabric instead of a traditional Layer 2 network in a data center? (Choose two.)

Question79: VLANs help in reducing which of the following? (Choose two)

Question80: Exhibit:

How many stages are shown in the exhibit?

Question81: Which BGP message type is used to establish peering sessions?

Question82: During a BGP Graceful Restart, what happens to the routes learned from the restarting neighbor?

Question83: What is the primary function of a VLAN?

Question84: Why is EVPN often used in conjunction with VXLAN in modern data centers?

Question85: You are configuring OSPF in your network as shown in the exhibit. R1 has been configured with interface metrics. All other links in the network are using the default interface metric.
In this scenario, which OSPF interface on R1 will be preferred when routing traffic between R1 and R5?