Which three images are considered premium software packages for Cisco IOS Release 12.4? (Choose three.)
Advanced IP Services*
Advanced Enterprise Services*
What are two reasons to enable OSPF routing protocol authentication on a network? (Choose two.)
to prevent data traffic from being redirected and then discarded *
to ensure faster network convergence
to provide data security through encryption
to prevent redirection of data traffic to an insecure link *
to ensure more efficient routing
While attending a conference, participants are using laptops for network connectivity. When a guest speaker attempts to connect to the network, the laptop fails to display any available wireless networks. The access point must be operating in which mode?
What is the purpose of issuing the ip ospf message-digest-key key md5 password command and the area area-id authentication message-digest command on a router?
to facilitate the establishment of neighbor adjacencies
to encrypt OSPF routing updates
to enable OSPF MD5 authentication on a per-interface basis
to configure OSPF MD5 authentication globally on the router*
Refer to the exhibit. Which destination MAC address is used when frames are sent from the workstation to the default gateway?
MAC addresses of both the forwarding and standby routers
MAC address of the forwarding router
MAC address of the standby router
MAC address of the virtual router*
A network technician is attempting to upgrade an IOS system image on a Cisco 1941 router. Which command should the technician issue to verify the presence of sufficient free space in flash for the new image on the router that is being upgraded?
show file system
show flash0: *
Which statement describes a characteristic of a Cisco Enterprise Architecture module?
Server Farm and Data Center Module are submodules of the Enterprise Edge module.
The Enterprise Campus only consists of the core layer of the campus infrastructure.
The Enterprise Edge consists of the Internet, VPN, and WAN modules connecting the enterprise with the service provider’s network. *
The Service Provider Edge provides QoS, policy reinforcement, service levels, and security.
Match the step number to the sequence of stages that occur during the HSRP failover process. (Not all options are used.)