Final 420-908-LA

Which OPSF packet contains the different types of link-state advertisements?

• DBD

• LSR

• LSAck

• Hello

• LSU

What does an OSPF area contain?

• Routers that have the same link-state information in there LSDBs

• Routers that share the same process ID

• Routers that share the same router ID

• Routers whose SPF trees are identical

What is the order of packet types used by an OSPF router to establish convergence?

• LSAck, Hello, DBD, LSU, LSR

• LSU, LSAck, Hello, DBD, LSR

• Hello, LSAck, LSU, LSR, DBD

• Hello, DBD, LSR, LSU, LSAck

What is used to create the OSPF neighbor table?

• Link-state database

• Routing table

• Adjacency database

• Forwarding database

Which wildcard mask would be used to advertise the 192.168.5.96/27 network as part of an OSPF configuration?

• 255.255.255.224

• 0.0.0.32

• 255.255.255.223

• 0.0.0.31

The following three networks are directly connected to an OSPF router; 192.168.0.0/24, 192.168.1.0/24, and 192.168.2.0/24. Which OSPF network command would advertise only the 192.168.1.0 network to neighbors?

• router(config-router)#network 192.168.1.0 0.0.0.255 area 0

• router(config-router)#network 192.168.0.0 0.0.15.255 area 0

• router(config-router)#network 192.168.1.0 0.0.0.0 area 0

• router(config-router)#network 192.168.1.0 255.255.255.255 area 0

Which verification command would identify the specific interfaces on a router that were configured with the passive-interface command?

• show ip route eigrp

• show ip protocols

• show ip eigrp neighbors

• show ip interface brief

What is the first criterion used by OPSF routers to elect a DR?

• highest MAC address

• highest priority

• highest ip address

• highest router ID

The IT department is reporting that a company web server is receiving an abnormally high number of web page requests from different locations simultaneously. Which type of security attack is occurring?

• social engineering

• spyware

• adware

• phishing

• DDoS

Which objective of secure communications is achieved by encrypting data?

• availability

• integrity

• authentication

• confidentiality