640-822 무료 덤프문제 온라인 액세스

Which of the following are characteristics of a Frame Relay point-to-point subinterface? (Choose two.)

• A.requires use of Inverse ARP
• B.maps one IP subnet per DLCI
• C.maps one IP subnet across multiple DLCIs
• D.requires the frame-relay map command
• E.resolves NBMA split horizon issues

Given a Class C IP address subnetted with a /30 subnet mask, how many valid host IP addresses are available on each of the subnets?

• A.4
• B.2
• C.1
• D.254
• E.8
• F.252

The ip helper-address command does what?

• A.resolves an IP address overlapping issue
• B.assigns an IP address to a host
• C.relays a DHCP request across networks
• D.resolves an IP address from a DNS server

During the boot sequence, a 2600 series router needs to locate and load an operating system. What is the default order the router uses to find an operating system?

• A.Flash, NVRAM, TFTP server
• B.Flash, ROM, TFTP server
• C.Flash, TFTP server, RAM
• D.Flash, TFTP server, ROM
• E.ROM, TFTP server, Flash

Which two practices help secure the configuration utilities on wireless access points from unauthorized access? (Choose two.)

• A.changing the default SSID value
• B.changing the mixed mode setting to single mode
• C.configuring a new administrator password
• D.assigning a private IP address to the AP
• E.configuring traffic filtering