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السؤال #1
At which layer of the OSI model does the protocol that provides the information that is displayed by the show cdp neighbors command operate?
A. application
B. transport
C. network
D. physical
E. data link
عرض الإجابة
اجابة صحيحة: C
السؤال #2
A switch has 48 ports and 4 VLANs. How many collision and broadcast domains exist on the switch (collision, broadcast)?
A. 4, 48
B. 48, 4
C. 48, 1
D. 1, 48
E. 4, 1
عرض الإجابة
اجابة صحيحة: BD
السؤال #3
Which two statements describe the IP address 10.16.3.65/23? (Choose two.)
A. The subnet address is 10
B. The lowest host address in the subnet is 10
C. The last valid host address in the subnet is 10
D. The broadcast address of the subnet is 10
E. The network is not subnetted
عرض الإجابة
اجابة صحيحة: C
السؤال #4
An administrator is working with the 192.168.4.0 network, which has been subnetted with a /26 mask. Which two addresses can be assigned to hosts within the same subnet? (Choose two.)
A. 192
B. 192
C. 192
D. 192
E. 192
F. 192
عرض الإجابة
اجابة صحيحة: B
السؤال #5
What is the subnet address for the IP address 172.19.20.23/28?
A. 172
B. 172
C. 172
D. 172
E. 172
عرض الإجابة
اجابة صحيحة: B
السؤال #6
The MAC address table is shown in its entirety. The Ethernet frame that is shown arrives at the switch. What two operations will the switch perform when it receives this frame? (Choose two.)
A. The switch will not forward a frame with this destination MAC address
B. The MAC address of 0000
C. The MAC address of ffff
D. The frame will be forwarded out all active switch ports except for port fa0/0
E. The frame will be forwarded out fa0/0 and fa0/1 only
F. The frame will be forwarded out all the ports on the switch
عرض الإجابة
اجابة صحيحة: B
السؤال #7
The internetwork is using subnets of the address 192.168.1.0 with a subnet mask of 255.255.255.224. The routing protocol in use is RIP version 1. Which address could be assigned to the FastEthernet interface on RouterA?
A. 192
B. 192
C. 192
D. 192
E. 192
عرض الإجابة
اجابة صحيحة: C
السؤال #8
All devices attached to the network are shown. How many collision domains are present in this network?
A. 2
B. 3
C. 6
D. 9
E. 15
عرض الإجابة
اجابة صحيحة: D
السؤال #9
Which IP addresses are valid for hosts belonging to the 10.1.160.0/20 subnet? (Choose three.)
A. 10
B. 10
C. 10
D. 10
E. 10
F. 10
عرض الإجابة
اجابة صحيحة: E
السؤال #10
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. 1
B. 2
C. 4
D. 8
E. 252
F. 254
عرض الإجابة
اجابة صحيحة: A
السؤال #11
Given an IP address of 192.168.1.42 255.255.255.248, what is the subnet address?
A. 192
B. 192
C. 192
D. 192
E. 192
عرض الإجابة
اجابة صحيحة: AD
السؤال #12
The ports that are shown are the only active ports on the switch. The MAC address table is shown in its entirety. The Ethernet frame that is shown arrives at the switch. What two operations will the switch perform when it receives this frame? (Choose two.)
A. The MAC address of 0000
B. The MAC address of 0000
C. The frame will be forwarded out port fa0/3 only
D. The frame will be forwarded out fa0/1, fa0/2, and fa0/3
E. The frame will be forwarded out all the active ports
عرض الإجابة
اجابة صحيحة: B
السؤال #13
A switch receives a frame on one of its ports. There is no entry in the MAC address table for the destination MAC address. What will the switch do with the frame?
A. drop the frame
B. forward it out of all ports except the one that received it
C. forward it out of all ports
D. store it until it learns the correct port
عرض الإجابة
اجابة صحيحة: B
السؤال #14
What is the network address for the host with IP address 192.168.23.61/28?
A. 192
B. 192
C. 192
D. 192
E. 192
عرض الإجابة
اجابة صحيحة: C
السؤال #15
What is the purpose of assigning an IP address to a switch?
A. provides local hosts with a default gateway address
B. allows remote management of the switch
C. allows the switch to respond to ARP requests between two hosts
D. ensures that hosts on the same LAN can communicate with each other
عرض الإجابة
اجابة صحيحة: D
السؤال #16
What does a host on an Ethernet network do when it is creating a frame and it does not have the destination address?
A. drops the frame
B. sends out a Layer 3 broadcast message
C. sends a message to the router requesting the address
D. sends out an ARP request with the destination IP address
عرض الإجابة
اجابة صحيحة: E
السؤال #17
Which one of the following IP addresses is the last valid host in the subnet using mask 255.255.255.224?
A. 192
B. 192
C. 192
D. 192
E. 192
عرض الإجابة
اجابة صحيحة: BD
السؤال #18
Which address type does a switch use to make selective forwarding decisions?
A. source IP address
B. destination IP address
C. source and destination IP address
D. source MAC address
E. destination MAC address
عرض الإجابة
اجابة صحيحة: BD
السؤال #19
Refer to the exhibit.The enterprise has decided to use the network address 172.16.0.0. The network administrator needs to design a classful addressing scheme to accommodate the three subnets, with 30, 40 and 50 hosts, as shown. What subnet mask would accommodate this network?
A. 255
B. 255
C. 255
D. 255
E. 255
عرض الإجابة
اجابة صحيحة: ACD
السؤال #20
Which two characteristics apply to Layer 2 switches? (Choose two.)
A. increases the number of collision domains
B. decreases the number of collision domains
C. implements VLAN
D. decreases the number of broadcast domains
E. uses the IP address to make decisions for forwarding data packets
عرض الإجابة
اجابة صحيحة: C
السؤال #21
Which two options will help to solve the problem of a network that is suffering a broadcast storm? (Choose two.)
A. a bridge
B. a router
C. a hub
D. a Layer 3 switch
E. an access point
عرض الإجابة
اجابة صحيحة: AB
السؤال #22
Refer to the topology and switching table shown in the graphic. Host B sends a frame to Host
C. What will the switch do with the frame?
A. drop the frame
B. send the frame out all ports except port 0/2
C. return the frame to Host B
D. send an ARP request for Host C
E. send an ICMP Host Unreachable message to Host B
F. record the destination MAC address in the switching table and send the frame directly to Host C
عرض الإجابة
اجابة صحيحة: AC
السؤال #23
Which two characteristics describe the access layer of the hierarchical network design model? (Choose two.)
A. layer 3 support
B. port security
C. redundant components
D. VLANs
E. PoE
عرض الإجابة
اجابة صحيحة: E
السؤال #24
What must be configured to establish a successful connection from Host A to switch SW-A through router RT-A?
A. VLAN 1 on RT-A
B. IP routing on SW-A
C. default gateway on SW-A
D. crossover cable connecting SW-A and RT-A
عرض الإجابة
اجابة صحيحة: ADE
السؤال #25
The network manager has requested a 300-workstation expansion of the network. The workstations are to be installed in a single broadcast domain, but each workstation must have its own collision domain. The expansion is to be as cost-effective as possible while still meeting the requirements. Which three items will adequately fulfill the request? (Choose three).
A. one IP subnet with a mask of 255
B. two IP subnets with a mask of 255
C. seven 48-port hubs
D. seven 48-port switches
E. one router interface
F. seven router interfaces
عرض الإجابة
اجابة صحيحة: CD

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