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

Question3: You are troubleshooting a downed BGP session.

Referring to the exhibit, what is the cause of the problem?

Question4: In the context of Layer 2 switching, what does RSTP stand for?

Question5: How does a layer 2 switch populate its bridge table?

Question6: In the context of data center networking, what is the primary purpose of an Underlay Network?

Question7: Which statement is correct about a five-stage IP fabric topology?

Question8: In networking, what is a RIB group primarily used for?

Question9: What type of BGP is used for routing within the same autonomous system?

Question10: Load balancing in routing is used to:

Question11: Which of the following statements are true regarding Graceful Restart (GR)? (Choose two)

Question12: 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?

Question13: What roles do the Designated Router (DR) and Backup Designated Router (BDR) play in OSPF?

Question14: Which two statements describe an IP fabric? (Choose two.)

Question15: Referring to the exhibit, which two statements are correct about the IP fabric? (Choose two.)

Question16: Which OSPF troubleshooting tool is used to check the OSPF process and neighborship?

Question17: Exhibit:

How many stages are shown in the exhibit?

Question18: What does the "qualified-next-hop" feature do when configuring a static route?

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

Question20: What is the default route preference of a static route in the Junos OS?

Question21: Leaf and spine data centers are used to better accommodate which type of traffic?

Question22: Which statement is correct about member interfaces when creating a LAG?

Question23: Which statement is correct about aggregate routes?

Question24: Exhibit:

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

Question25: In the context of Ethernet bridging on Junos devices, what is the purpose of the Spanning Tree Protocol (STP)?

Question26: Which of the following is a key benefit of implementing High Availability (HA) in a network?

Question27: What does MACsec stand for?

Question28: What is the behavior of the default export policy for OSPF?

Question29: What is the main advantage of using an Overlay Network in a data center?

Question30: Exhibit:

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

Question31: Which static routing parameter will silently drop the packet if it is set as the next hop?

Question32: Referring to the exhibit, what needs to be done to make this a valid IP fabric?

Question33: Which two statements are correct about aggregated Ethernet bundles? (Choose two.)

Question34: How does VLAN tagging benefit network segmentation?

Question35: Which statement is correct about an IRB interface?

Question36: What are two reasons why you would deploy an IP fabric instead of a traditional Layer 2 network in a data center? (Choose two.)

Question37: A switch receives a frame with a MAC address of FF-FF-FF-FF-FF-FF. Which action will the switch take on this frame?

Question38: Which two statement are correct about trunk ports? (Choose two.)

Question39: Which of the following are functions of MACsec? (Choose two)

Question40: When configuring OSPF, what is the purpose of defining areas?

Question41: Which command on a router is used to view the current routing table?

Question42: Referring to the exhibit, how many stages are in this IP fabric?

Question43: Referring to the exhibit, why are the BGP routes hidden?

Question44: 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?

Question45: Which state in the adjacency process do OSPF routers check the MTU size?

Question46: When evaluating BGP routes, what will be evaluated first?

Question47: Martian addresses are:

Question48: What is the main advantage of using MACsec?

Question49: Filter-based forwarding is typically used to:

Question50: What information in the Ethernet header is used to populate the bridging table?

Question51: Which of the following are correct about OSPF router ID selection? (Choose two)

Question52: Referring to the exhibit, which statement is correct?

Question53: 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?

Question54: Fill in the blank: In BGP, the ___________ attribute is used to influence the best path selection process.

Question55: What is the function of the 'Weight' attribute in BGP, and where is it used in the route selection process?

Question56: What is the primary purpose of OSPF in network routing?

Question57: Exhibit:

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

Question58: Which two statements are correct about VLAN tags? (Choose two.)

Question59: Bidirectional Forwarding Detection (BFD) is primarily used for:

Question60: In a Spine/Leaf IP-Fabric architecture, what is the primary role of the leaf switches?

Question61: When configuring BGP, which command is commonly used to define a BGP neighbor?

Question62: 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?

Question63: What is the default Junos behavior of access ports?

Question64: Which route is preferred by the Junos OS software routing tables?

Question65: BGP is primarily used for which purpose in a network?

Question66: Which statement is correct about the BGP AS path when advertising routes?

Question67: You have configured a load balancing policy.
Which statement is correct about applying the policy?

Question68: MACsec provides protection against which two types of threats? (Choose two.)

Question69: Exhibit:

Referring to the exhibit, which statement is correct?

Question70: When troubleshooting an OSPF neighborship, you notice that the router stopped at the ExStart state. What is the cause of this result?

Question71: Which three technologies improve high availability and convergence in a data center network? (Choose three.)

Question72: Which LSA types are associated with OSPF? (Choose three)

Question73: What is the main purpose of Bidirectional Forwarding Detection (BFD)?

Question74: Exhibit:

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

Question75: Which statement is correct about a three-stage IP fabric underlay?

Question76: What are two requirements for an IP fabric? (Choose two.)

Question77: How can OSPF be configured to prefer one route over another?

Question78: Which VLAN tagging method inserts a 4-byte tag into the Ethernet frame?

Question79: Which of the following BGP attributes is considered first in the route selection process?

Question80: What is the primary role of an IRB interface in a VLAN configuration?

Question81: Which two statements are true about how switches handle Layer 2 traffic? (Choose two.)

Question82: Which Junos OS routing table stores IPv6 addresses?

Question83: Which statement about switches is correct?

Question84: Which two statements about IBGP are correct? (Choose two.)

Question85: What are three correct layer names used in legacy hierarchical network design? (Choose three.)

Question86: A generated route is configured under which hierarchy?

Question87: Why is EVPN often used in conjunction with VXLAN in modern data centers?

Question88: Exhibit:

Referring to the exhibit, which statement is correct?

Question89: What is a VLAN?

Question90: You are creating an IP fabric underlay and want to use OSPF as your routing protocol.
In this scenario, which statement is correct?

Question91: Layer 2 interfaces operate in which two modes? (Choose two.)

Question92: In a traditional multi-tier architecture, which layer is responsible for aggregating access layers and providing connectivity to the core layer?

Question93: What is the definition of a trunk interface on a switch?