Ch3: Basic IP Setup Flashcards
Given the IP address 172.16.3.42, and a subnet mask of 255.255.255.0, what is the host portion of the address? (Fill in the blank.) ____________________________
Match the TCP/IP stack layer to an appropriate description: Switching Port, Switch Virtual Interface (SVI), and Routing Port.
A. Involves IP addresses
B. Used by multi-layer switches for internal IP routing between VLANs
C. Assigned as a member of a VLAN
D. A physical interface with an assigned IP address
E. Involves MAC addresses
Refer to the diagram in Figure 3-55. Server-1’s ping packet reaches Server-2. However, Server-2’s reply packet does not reach Server-1. Which of the options below is a likely cause of this issue? (Select two.)
A. Server-1’s default-gateway is not properly configured.
B. Server-2’s default-gateway is not properly configured.
C. Core-1 has a route to reach Server-2 but lacks a return path to Server-1.
D. Core-2 has a route to reach Server-2 but lacks a return path to Server-1.”
Refer to the diagram in Figure 3-56. On router Core-1, your colleague has entered the command ip route 10.1.20.0/24 10.1.12.2. Which of the following options might you use to discuss this situation with your colleague?
A. It appears that Core-1 will be able to route packets to subnet 10.1.20.0, which uses a mask of 255.255.224.0
B. If devices on subnets 10.1.10.0/24 and 10.1.20.024 cannot communicate, it might be because you specified an incorrect next-hop route.
C. If devices on subnets 10.1.10.0/24 and 10.1.20.024 cannot communicate, it might be because you need to configure a return path on Core-2.
D. It appears that host 10.1.12.2 will be able to reach devices on subnet 10.1.10.0/24.
Which statements below are true about the Open Shortest Path First (OSPF) routing protocol? (Select two.)
A. It is more scalable than RIP.
B. For simplicity, it is best to let the router choose its own router ID (RID).
C. You can leverage loopback interfaces to enhance OSPF stability.
D. If you do not configure a router ID (RID), the OSPF router prefers to use the numerically highest IPv4 address assigned to a loopback interface.
Match an appropriate description to each of the OSPF entities below (neighbor table, topology database, routing table).
A. A list of directly connected OSPF routers
B. A list of the best paths to each destination
C. A list of every possible path in the OSPF area
D. Is the same for every OSPF router in the area
