多項(xiàng)選擇題For what two purposes does the Ethernet protocol use physical addresses?()

A. to uniquely identify devices at Layer 2
B. to allow communication with devices on a different network
C. to differentiate a Layer 2 frame from a Layer 3 packet
D. to establish a priority system to determine which device gets to transmit first
E. to allow communication between different devices on the same network
F. to allow detection of a remote device when its physical address is unknown


您可能感興趣的試卷

你可能感興趣的試題

1.多項(xiàng)選擇題What are three characteristics of the OSPF routing protocol?()

A. It converges quickly.
B. OSPF is a classful routing protocol.
C. It uses cost to determine the best route.
D. It uses the DUAL algorithm to determine the best route.
E. OSPF routers send the complete routing table to all directly attached routers.
F. OSPF routers discover neighbors before exchanging routing information.

2.多項(xiàng)選擇題Which three IP addresses can be assigned to hosts if the subnet mask is /27 and subnet zero is usable?()

A.10.15.32.17
B.17.15.66.128
C.66.55.128.1
D.135.1.64.34
E.129.33.192.192
F.192.168.5.63

3.多項(xiàng)選擇題Which two subnetworks would be included in the summarized address of 172.31.80.0 /20?()

A.172.31.17.4/30
B.172.31.51.16/30
C.172.31.64.0/18
D.172.31.80.0/22
E.172.31.92.0/22
F.172.31.192.0/18

4.多項(xiàng)選擇題What can be determined from the line of show ip route output shown in the exhibit?()

A. The next routing update can be expected in 35 seconds.
B. The IP address 10.10.10.6 is configured on S0/1.
C. The IP address 10.10.10.8 is configured on S0/1.
D. This route is using the default administrative distance.
E. The 10.10.10.8 network is two hops away from this router.

5.多項(xiàng)選擇題Which destination addresses will be used by Host A to send data to Host C?()

A. the IP address of Switch 1 
B. the MAC address of Switch 1
C. the IP address of Host C
D. the MAC address of Host C
E. the IP address of the router's E0 interface
F. the MAC address of the router's E0 interface

最新試題

Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?()

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題

What is the purpose of the cisco Vlan Trunking protocol?()

題型:?jiǎn)雾?xiàng)選擇題

Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?()

題型:?jiǎn)雾?xiàng)選擇題

After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?()

題型:?jiǎn)雾?xiàng)選擇題

At which layer of the OSI model dose PPP perform?()

題型:?jiǎn)雾?xiàng)選擇題

Which command encrypts all plaintext passwords?()

題型:?jiǎn)雾?xiàng)選擇題

Three access ports have been installed and configured to a small office.What term defines the wireless topology?()

題型:?jiǎn)雾?xiàng)選擇題

If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?()

題型:?jiǎn)雾?xiàng)選擇題

Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?()

題型:?jiǎn)雾?xiàng)選擇題