Which type of address does a switch use to build the MAC address table?
- a. destination IP address
- b. source IP address
- c. destination MAC address
- d. source MAC address
33. What does the term “port density represent for an Ethernet switch?
- a. the numbers of hosts that are connected to each switch port
- b. the speed of each port
- c. the memory space that is allocated to each switch port
- d. the number of available ports
34. Which type of transmission does a switch use when the destination MAC address is not contained in the MAC address table?
- a. anycast
- b. unicast
- c. broadcast
- d. multicast
- Refer to the exhibit. Fill in the blank. . RTI RT2 SWI SW2 SW3 SW4 PC1 PO2 Serveri P63 PCA PCS Server2
35. There are broadcast domains in the topology
36. When would it be more beneficial to use static routing instead of dynamic routing protocols? on
a network where dynamic updates would pose a security risk
b. on a network that is expected to continually grow in size on a network that has a large amount of redundant paths
d. on a network that commonly experiences link failures a. c. b.
37. What are three primary benefits of using VLANs? (Choose three.)
a. security a reduction in the number of trunk links
C. cost reduction
d. end user satisfaction
e. improved IT staff efficiency f. no required configuration
38. Which statement describes a difference between the operation of inbound and outbound ACLS?
a. In contrast to outbound ALCs, inbound ACLs can be used to filter packets with multiple criteria.
b. Inbound ACLS can be used in both routers and switches but outbound ACLs can be used only on routers.
c. Inbound ACLs are processed before the packets are routed while outbound ACLs are processed after the routing is completed.
d. On a network interface, more than one inbound ACL can be configured but only one outbound ACL can be configured. c
33. d. source MAC address
A switch builds its MAC address table by learning the MAC addresses of devices connected to its ports. It does this by examining the source MAC address of every frame it receives. Once it learns a device’s MAC address, it associates it with the port it received the frame from.
34. c. broadcast
If a switch doesn’t know the destination MAC address, it floods the frame to all its ports except the one it received the frame on. This way, the frame reaches all devices on the network, and the device with the matching MAC address will respond.
35. There are 5 broadcast domains in the topology.
Each collision domain also represents a broadcast domain. We can see five separate collision domains in the diagram:
- RTI, RT2
- SW1, SW2, SW3, SW4, PC1, PC2, Server1, P63
- PC4, PC5, Server2
- Each individual switch
36. a. on a network where dynamic updates would pose a security risk
Static routing provides more control over the routing paths, which can be important for security purposes. Static routes are not updated automatically, so they cannot be manipulated by attackers or compromised routing protocols.
37. a, b, d
VLANs offer several benefits, including:
- Security: VLANs can separate traffic on the network, preventing unauthorized access to sensitive data.
- Reduction in broadcast traffic: VLANs limit broadcast traffic to devices within the same VLAN, reducing network congestion and improving performance.
- Cost reduction: VLANs can help to reduce the need for expensive dedicated hardware by allowing multiple networks to share the same physical infrastructure.
- End user satisfaction: VLANs can improve network performance and security, leading to a better user experience.
- IT staff efficiency: VLANs can simplify network management by making it easier to isolate and troubleshoot problems.
However, VLANs require configuration and maintenance, so they are not without their drawbacks.
38. c. Inbound ACLs are processed before the packets are routed while outbound ACLs are processed after the routing is completed.
This is the key difference between inbound and outbound ACLs. Inbound ACLs are applied to packets as they enter a device, while outbound ACLs are applied to packets as they leave a device. This means that inbound ACLs can be used to filter packets based on their source address and destination address, while outbound ACLs can only be used to filter packets based on their destination address.
I hope this clarifies the answers to your questions! Feel free to ask if you have any further doubts.