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Question 10/93
Which two statements are true about how switches handle Layer 2 traffic? (Choose two.)
Correct Answer: B,D
In Layer 2 switching, switches learn MAC addresses based on the source MAC address of incoming frames and forward frames based on the destination MAC address.
Step-by-Step Breakdown:
MAC Learning:
When a switch receives a frame, it records the source MAC address and the port on which it arrived. This allows the switch to know where to send traffic destined for that MAC address.
Forwarding Based on Destination:
The switch then looks at the destination MAC address and forwards the frame out of the port associated with that MAC address. If the MAC is unknown, the switch floods the frame to all ports.
Juniper Reference:
Layer 2 Switching: Juniper switches use source MAC addresses to build MAC tables and forward traffic based on the destination MAC address.
Step-by-Step Breakdown:
MAC Learning:
When a switch receives a frame, it records the source MAC address and the port on which it arrived. This allows the switch to know where to send traffic destined for that MAC address.
Forwarding Based on Destination:
The switch then looks at the destination MAC address and forwards the frame out of the port associated with that MAC address. If the MAC is unknown, the switch floods the frame to all ports.
Juniper Reference:
Layer 2 Switching: Juniper switches use source MAC addresses to build MAC tables and forward traffic based on the destination MAC address.
- Question List (93q)
- Question 1: Fill in the blank: In BGP, the ___________ attribute is used...
- Question 2: Which of the following is a key benefit of implementing High...
- Question 3: Which statement is correct about an IRB interface?...
- Question 4: Load balancing in routing is used to:...
- Question 5: Exhibit: (Exhibit) Referring to the exhibit, which next hop ...
- Question 6: What is the main advantage of using MACsec?...
- Question 7: Which two statements are correct about aggregated Ethernet b...
- Question 8: Which three technologies improve high availability and conve...
- Question 9: Layer 2 interfaces operate in which two modes? (Choose two.)...
- Question 10: Which two statements are true about how switches handle Laye...
- Question 11: BGP is primarily used for which purpose in a network?...
- Question 12: What is the main purpose of Bidirectional Forwarding Detecti...
- Question 13: Within your router, you want to verify that you are learning...
- Question 14: Which static routing parameter will silently drop the packet...
- Question 15: When troubleshooting an OSPF neighborship, you notice that t...
- Question 16: What is the primary purpose of OSPF in network routing?...
- Question 17: Which LSA types are associated with OSPF? (Choose three)...
- Question 18: What is the primary role of an IRB interface in a VLAN confi...
- Question 19: What is a VLAN?
- Question 20: Exhibit: (Exhibit) How many stages are shown in the exhibit?...
- Question 21: When configuring OSPF, what is the purpose of defining areas...
- Question 22: In the Junos OS, what is the default behavior of a switch wh...
- Question 23: How does a layer 2 switch populate its bridge table?...
- Question 24: Which of the following are correct about OSPF router ID sele...
- Question 25: In networking, what is a RIB group primarily used for?...
- Question 26: What is the default route preference of a static route in th...
- Question 27: Which statement about switches is correct?...
- Question 28: Referring to the exhibit, which statement is correct? (Exhib...
- Question 29: Referring to the exhibit, you notice that after committing t...
- Question 30: How does VLAN tagging benefit network segmentation?...
- Question 31: Bidirectional Forwarding Detection (BFD) is primarily used f...
- Question 32: Which route is preferred by the Junos OS software routing ta...
- Question 33: Filter-based forwarding is typically used to:...
- Question 34: Which of the following are true about Layer 2 and Layer 3 st...
- Question 35: When configuring BGP, which command is commonly used to defi...
- Question 36: Which statement is correct about the BGP AS path when advert...
- Question 37: In the context of data center networking, what is the primar...
- Question 38: A generated route is configured under which hierarchy?...
- Question 39: Which statement is correct about aggregate routes?...
- Question 40: Which two statements about IBGP are correct? (Choose two.)...
- Question 41: What does the "qualified-next-hop" feature do when configuri...
- Question 42: What are two reasons why you would deploy an IP fabric inste...
- Question 43: When evaluating BGP routes, what will be evaluated first?...
- Question 44: Exhibit: (Exhibit) Referring to the exhibit, which next hop ...
- Question 45: Which state in the adjacency process do OSPF routers check t...
- Question 46: Which of the following are functions of MACsec? (Choose two)...
- Question 47: Which OSPF troubleshooting tool is used to check the OSPF pr...
- Question 48: What are three correct layer names used in legacy hierarchic...
- Question 49: Referring to the exhibit, why are the BGP routes hidden?...
- Question 50: Why is EVPN often used in conjunction with VXLAN in modern d...
- Question 51: What is the main advantage of using an Overlay Network in a ...
- Question 52: What information in the Ethernet header is used to populate ...
- Question 53: Which Junos OS routing table stores IPv6 addresses?...
- Question 54: Referring to the exhibit, you notice that after committing t...
- Question 55: A switch receives a frame with a MAC address of FF-FF-FF-FF-...
- Question 56: In the context of Ethernet bridging on Junos devices, what i...
- Question 57: What type of BGP is used for routing within the same autonom...
- Question 58: Which two statements are correct about VLAN tags? (Choose tw...
- Question 59: How can OSPF be configured to prefer one route over another?...
- Question 60: Referring to the exhibit, how many stages are in this IP fab...
- Question 61: What are two requirements for an IP fabric? (Choose two.)...
- Question 62: Referring to the exhibit, what needs to be done to make this...
- Question 63: Martian addresses are:
- Question 64: Leaf and spine data centers are used to better accommodate w...
- Question 65: What is the definition of a trunk interface on a switch?...
- Question 66: What is the default Junos behavior of access ports?...
- Question 67: Which statement is correct about a five-stage IP fabric topo...
- Question 68: Which of the following statements are true regarding Gracefu...
- Question 69: What roles do the Designated Router (DR) and Backup Designat...
- Question 70: Exhibit: (Exhibit) Referring to the exhibit, what is the rou...
- Question 71: Referring to the exhibit, which two statements are correct a...
- Question 72: Which two statement are correct about trunk ports? (Choose t...
- Question 73: Which of the following BGP attributes is considered first in...
- Question 74: What is the behavior of the default export policy for OSPF?...
- Question 75: You are creating an IP fabric underlay and want to use OSPF ...
- Question 76: Which two statements describe an IP fabric? (Choose two.)...
- Question 77: Exhibit: (Exhibit) R2 received an OSPF update from R1, and i...
- Question 78: In a traditional multi-tier architecture, which layer is res...
- Question 79: You are configuring OSPF in your network as shown in the exh...
- Question 80: In OSPF, which command is commonly used to monitor neighbor ...
- Question 81: In the context of Layer 2 switching, what does RSTP stand fo...
- Question 82: Exhibit: (Exhibit) Referring to the exhibit, which statement...
- Question 83: In a Spine/Leaf IP-Fabric architecture, what is the primary ...
- Question 84: Which command on a router is used to view the current routin...
- Question 85: Which VLAN tagging method inserts a 4-byte tag into the Ethe...
- Question 86: What does MACsec stand for?
- Question 87: You have configured a load balancing policy. Which statement...
- Question 88: Exhibit: (Exhibit) Referring to the exhibit, which statement...
- Question 89: Which statement is correct about member interfaces when crea...
- Question 90: What is the function of the 'Weight' attribute in BGP, and w...
- Question 91: MACsec provides protection against which two types of threat...
- Question 92: Which statement is correct about a three-stage IP fabric und...
- Question 93: You are troubleshooting a downed BGP session. (Exhibit) Refe...
