多項(xiàng)選擇題Which of the following IP addresses can be assigned to the host devices?()

A.205.7.8.32/27
B.191.168.10.2/23
C.127.0.0.1
D.224.0.0.10
E.203.123.45.47/28
F.10.10.0.0/13


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1.多項(xiàng)選擇題Identify the four valid IPv6 addresses.()

A.::
B.::192:168:0:1
C.2000::
D.2001:3452:4952:2837::
E.2002:c0a8:101::42
F.2003:dead:beef:4dad:23:46:bb:101

2.多項(xiàng)選擇題What are three IPv6 transition mechanisms?()

A. 6to4 tunneling
B. VPN tunneling
C. GRE tunneling
D. ISATAP tunneling
E. PPP tunneling
F. Teredo tunneling

3.多項(xiàng)選擇題Which two statements are true regarding EIGRP?()

A. Passiveroutes are in the process of being calculated by DUAL.
B. EIGRP supports VLSM, route summarization, and routing update authentication.
C. EIGRP exchanges full routing table information with neighboring routers with every update.
D. If the feasible successor has a higher advertised distance than the successor route, it becomes the primary route.
E. A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.

4.多項(xiàng)選擇題As a frame leaves a Layer 3 device, the Layer 2 encapsulation information is changed from what it was when it entered the device. For what two reasons can this happen?()

A. The data is moving from 10BASE-TX to 100BASE-TX.
B. The WAN encapsulation type has changed.
C. The data format has changed from analog to digital.
D. The source and destination hosts are in the same subnet.
E. The source and destination MAC addresses have changed.

5.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

6.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.

7.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

8.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

9.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.

10.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

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Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?()

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

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On which options are standard access list based?()

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