Refer to the exhibit． S0/0 on R1 is configured as a multipoint interface to communicate with R2 and R3 in this hub-and-spoke Frame Relay topology． While testing this configuration, a technician notes that pings are successful from hosts on the 172．16．1．0/24 network to hosts on both the 172．16．2．0/25 and 172．16．2．128/25 networks． However, pings between hosts on the 172．16．2．0/25 and 172．16．2．128/25 networks are not successful． What could explain this connectivity problem?
Refer to the exhibit． If the router Cisco returns the given output and has not had its router ID set manually, what value will OSPF use as its router ID?
Refer to the graphic．Host A is communicating with the seiver． What will be the source MAC address of theframes received by Host A from the server?
Which statement is correct regarding the operation of DHCP?
What is the effect of using the service password-encryption command?
Which command can be used from a PC to verify the connectivity between hosts that connect through a switch in the same LAN?
Which two statements about static NAT translations are true?
A network administrator enters the following command on a router: logging trap 3．What are three message types that will be sent to the Syslog server?
What are the possible trunking modes for a switch port?
Which two benefits are provided by using a hierarchical addressing network addressing scheme?
What is the default maximum number of equal-cost paths that can be placed into the routing of a cisco OSPF router?
The network administrator needs to address seven LANs． RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used． What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?
Acknowledgements, sequencing, and flow control are characteristics of which OSI layer?
An inbound access list has been configured on a serial interface to deny packet entry for TCP and UDP ports 21, 23 and 25． What types of packets will be permitted by this ACL?
Wich command can you use to manually assign a static IPV6 address to a router interface?
A router receives information about network 192．168．10．0/24 from multiple sources． What will the router consider the most reliable information about the path to that network?
What is the result of issuing the frame-relay map ip 192．168．1．2 202 broadcast command?
Which statement about vlan operation on cisco catalyst switches is true?
At which layer of the OSI model dose PPP perform?
Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies?