A network administrator is writing a standard ACL that will deny any traffic from the 172.16.0.0/16 network, but permit all other traffic. Which two commands should be used? (Choose two.)…
Refer to the exhibit. A network administrator is configuring a standard IPv4 ACL. What is the effect after the command no access-list 10 is entered? ACL 10 is disabled on…
In which type of attack is falsified information used to redirect users to malicious Internet sites? DNS cache poisoning ARP cache poisoning DNS amplification and reflection domain generation Answers Explanation…
What is a ping sweep? a network scanning technique that indicates the live hosts in a range of IP addresses. a software application that enables the capture of all network…
What commonly motivates cybercriminals to attack networks as compared to hacktivists or state-sponsored hackers? fame seeking financial gain political reasons status among peers Answers Explanation & Hints: Cybercriminals are commonly…
What is the format of the router ID on an OSPF-enabled router? a character string with no space a 32-bit number formatted like an IPv4 address a unique phrase with…
Which step in the link-state routing process is described by a router running an algorithm to determine the best path to each destination? executing the SPF algorithm choosing the best…
Refer to the exhibit. A network administrator has configured OSPFv2 on the two Cisco routers but PC1 is unable to connect to PC2. What is the most likely problem? Interface…
Which command is used to verify that OSPF is enabled and also provides a list of the networks that are being advertised by the network? show ip protocols show ip…
What command would be used to determine if a routing protocol-initiated relationship had been made with an adjacent router? ping show ip protocols show ip ospf neighbor show ip interface…
Refer to the exhibit. What is the OSPF cost to reach the router A LAN 172.16.1.0/24 from B? 782 74 128 65 Answers Explanation & Hints: The formula used to…
Refer to the exhibit. If the switch reboots and all routers have to re-establish OSPF adjacencies, which routers will become the new DR and BDR? Router R4 will become the…
Refer to the exhibit. Which three statements describe the results of the OSPF election process of the topology that is shown in the exhibit? (Choose three.) R2 will be elected…
An OSPF router has three directly connected networks; 172.16.0.0/16, 172.16.1.0/16, and 172.16.2.0/16. Which OSPF network command would advertise only the 172.16.1.0 network to neighbors? router(config-router)# network 172.16.1.0 0.0.255.255 area 0…
Refer to the exhibit. If no router ID was manually configured, what would router Branch1 use as its OSPF router ID? 10.0.0.1 10.1.0.1 192.168.1.100 209.165.201.1 Answers Explanation & Hints: In…
What will an OSPF router prefer to use first as a router ID? any IP address that is configured using the router-id command a loopback interface that is configured with…
Refer to the exhibit. A network administrator has configured the OSPF timers to the values that are shown in the graphic. What is the result of having those manually configured…
A network engineer has manually configured the hello interval to 15 seconds on an interface of a router that is running OSPFv2. By default, how will the dead interval on…
Which step does an OSPF-enabled router take immediately after establishing an adjacency with another router? chooses the best path builds the topology table executes the SPF algorithm exchanges link-state advertisements…
What is a benefit of multiarea OSPF routing? Topology changes in one area do not cause SPF recalculations in other areas. Automatic route summarization occurs by default between areas. Routers…