Parte 1

Refer to the exhibit. If host A sends an IP packet to host B, what will the source physical address be in the frame when it reaches host B?. 10.168.10.99. 10.168.11.88. A1:A1:A1:A1:A1:A1. B2:B2:B2:B2:B2:B2. C3:C3:C3:C3:C3:C3. D4:D4:D4:D4:D4:D4.

Refer to the exhibit. What kind of cable should be used to make each connection that is identified by the numbers shown?. 1 - Ethernet Crossover cable 2 - Ethernet straight-through cable 3 - Fiber Optic cable 4 - Rollover cable. 1 - Ethernet straight-through cable 2 - Ethernet straight-through cable 3 - Serial cable 4 - Rollover cable. 1 - Ethernet rollover cable 2 - Ethernet crossover cable 3 - Serial cable 4 - Null-modem cable. 1 - Ethernet straight-through cable 2 - Ethernet Crossover cable 3 - Serial cable 4 - Rollover cable. 1 - Ethernet straight-through cable 2 - Ethernet Crossover cable 3 - Serial cable 4 - Ethernet Straight-through cable.

Refer to the exhibit. What must be configured to establish a successful connection from Host A to switch SW-A through router RT-A?. VLAN 1 on RT-A. IP routing on SW-A. default gateway on SW-A. crossover cable connecting SW-A and RT-A.

Refer to the exhibit. SwitchA receives the frame with the addressing shown in the exhibit. According to the command output also shown in the exhibit, how will SwitchA handle this frame?. It will drop the frame. It will forward the frame out port Fa0/6 only. It will forward the frame out port Fa0/3 only. It will flood the frame out all ports. It will flood the frame out all ports except Fa0/3.

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?. Drop the frame. Send the frame out all ports except port 0/2. Return the frame to Host B. Send an ARP request for Host C. Send an ICMP Host Unreachable message to Host B. Record the destination MAC address in the switching table and send the frame directly to Host C.

Which network device functions only at Layer 1 of the OSI model?. Option A. Option B. Option C. Option D. Option E.

Which statements accurately describe CDP? (Choose three.). CDP is an IEEE standard protocol. CDP is a Cisco proprietary protocol. CDP is a datalink layer protocol. CDP is a network layer protocol. CDP can discover directly connected neighboring Cisco devices. CDP can discover Cisco devices that are not directly connected.

At which layer of the OSI model does the protocol that provides the information that is displayed by the show cdp neighbors command operate?. application. transport. network. physical. data link.

Which statements are true regarding ICMP packets? (Choose two.). They acknowledge receipt of TCP segments. They guarantee datagram delivery. TRACERT uses ICMP packets. They are encapsulated within IP datagrams. They are encapsulated within UDP datagrams.

Refer to the exhibit. Host A is sending a packet to Host B for the first time. What destination MAC address will Host A use in the ARP request?. 192.168.0.1. 172.16.0.50. 00-17-94-61-18-b0. 00-19-d3-2d-c3-b2. ff-ff-ff-ff-ff-ff. 255.255.255.255.

Refer to the exhibit. HostX is transferring a file to the FTP server. Point A represents the frame as it goes toward the Toronto router. What will the Layer 2 destination address be at this point?. abcd.1123.0045. 192.168.7.17. aabb.5555.2222. 192.168.1.1. abcd.2246.0035.

Which two statements describe the operation of the CSMA/CD access method? (Choose two.). In a CSMA/CD collision domain, multiple stations can successfully transmit data simultaneously. In a CSMA/CD collision domain, stations must wait until the media is not in use before transmitting. The use of hubs to enlarge the size of collision domains is one way to improve the operation of the CSMA/CD access method. After a collision, the station that detected the collision has first priority to resend the lost data. After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data. After a collision, all stations involved run an identical backoff algorithm and then synchronize with each other prior to transmitting data.

On a Cisco switch, which protocol determines if an attached VoIP phone is from Cisco or from another vendor?. RTP. TCP. CDP. UDP.

Refer to the exhibit. A network device needs to be installed in the place of the icon labeled Network Device to accommodate a leased line attachment to the Internet. Which network device and interface configuration meets the minimum requirements for this installation?. a router with two Ethernet interfaces. a switch with two Ethernet interfaces. a router with one Ethernet and one serial interface. a switch with one Ethernet and one serial interface. a router with one Ethernet and one modem interface.

To what type of port would a cable with a DB-60 connector attach?. Serial port. Console port. Ethernet port. Fibre optic port.

Refer to the exhibit. The output is from a router in a large enterprise. From the output, determine the role of the router. Core router. The HQ Internet gateway router. The WAN router at the central site. Remote stub router at a remote site.

Which layer of the TCP/IP stack combines the OSI model physical and data link layers?. Internet layer. transport layer. application layer. network access layer.

Which layer of the OSI model controls the reliability of communications between network devices using flow control, sequencing and acknowledgments?. Physical. Data-link. Transport. Network.

Which protocol uses a connection-oriented service to deliver files between end systems?. TFTP. DNS. FTP. SNMP. RIP.

Refer to the exhibit. The host in Kiev sends a request for an HTML document to the server in Minsk. What will be the source IP address of the packet as it leaves the Kiev router?. 10.1.0.1. 10.1.0.5. 10.1.0.6. 10.1.0.14. 10.1.1.16. 10.1.2.8.

Which three statements are true about the operation of a full-duplex Ethernet network? (Choose three.). There are no collisions in full-duplex mode. A dedicated switch port is required for each full-duplex node. Ethernet hub ports are preconfigured for full-duplex mode. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting. The host network card and the switch port must be capable of operating in full-duplex mode.

Refer to the exhibit. A network has been planned as shown. Which three statements accurately describe the areas and devices in the network plan? (Choose three.). Network Device A is a switch. Network Device B is a switch. Network Device A is a hub. Network Device B is a hub. Area 1 contains a Layer 2 device. Area 2 contains a Layer 2 device.

A workstation has just resolved a browser URL to the IP address of a server. What protocol will the workstation now use to determine the destination MAC address to be placed into frames directed toward the server?. HTTP. DNS. DHCP. RARP. ARP.

How does a switch differ from a hub?. A switch does not induce any latency into the frame transfer time. A switch tracks MAC addresses of directly-connected devices. A switch operates at a lower, more efficient layer of the OSI model. A switch decreases the number of broadcast domains. A switch decreases the number of collision domains.

Refer to the exhibit. If the hubs in the graphic were replaced by switches, what would be virtually eliminated?. broadcast domains. repeater domains. Ethernet collisions. signal amplification. Ethernet broadcasts.

What are two common TCP applications? (Choose two.). TFTP. SMTP. SNMP. FTP. DNS.

On the left are various network protocols. On the right are the layers of the TCP/IP model. Assuming a reliable connection is required, move the protocols on the left to the TCP/IP layers on the right to show the proper encapsulation for an email message sent by a host on a LAN. (Not all options are used.). UDP. SNMP. IP. ARP. ETHERNET. TCP. SMTP.

What must occur before a workstation can exchange HTTP packets with a web server?. A UDP connection must be established between the workstation and its default gateway. A UDP connection must be established between the workstation and the web server. A TCP connection must be established between the workstation and its default gateway. A TCP connection must be established between the workstation and the web server. An ICMP connection must be established between the workstation and its default gateway. An ICMP connection must be established between the workstation and the web server.

Refer to the exhibit. SwitchA receives the frame with the addressing shown. According to the command output also shown in the exhibit, how will SwitchA handle this frame?. It will drop the frame. It will forward the frame out port Fa0/6 only. It will flood the frame out all ports. It will flood the frame out all ports except Fa0/3.

A network administrator is connecting PC hosts A and B directly through their Ethernet interfaces as shown in the graphic. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts? (Choose two.). A crossover cable should be used in place of the straight-through cable. A rollover cable should be used in place of the straight-through cable. The subnet masks should be set to 255.255.255.192. A default gateway needs to be set on each host. The hosts must be reconfigured to use private IP addresses for direct connections of this type. The subnet masks should be set to 255.255.255.0.

How does TCP differ from UDP? (Choose two.). TCP provides best effort delivery. TCP provides synchronized communication. TCP segments are essentially datagrams. TCP provides sequence numbering of packets. TCP uses broadcast delivery.

Refer to the exhibit. Mary is sending an instant message to Robert. The message will be broken into a series of packets that will traverse all network devices. What addresses will populate these packets as they are forwarded from Router1 to Router2?. Option A. Option B. Option C. Option D. Option E.

Which OSI layer header contains the address of a destination host that is on another network?. application. session. transport. network. data link. physical.

Refer to the exhibit. The exhibit is showing the topology and the MAC address table. Host A sends a data frame to host D. What will the switch do when it receives the frame from host A?. The switch will add the source address and port to the MAC address table and forward the frame to host D. The switch will discard the frame and send an error message back to host A. The switch will flood the frame out of all ports except for port Fa0/3. The switch will add the destination address of the frame to the MAC address table and forward the frame to host D.

Refer to the exhibit. As packets travel from Mary to Robert, which three devices will use the destination MAC address of the packet to determine a forwarding path? (Choose three.). Hub1. Switch1. Router1. Switch2. Router2. Switch3.

Refer to the exhibit. Which option describes how SwitchA will handle the frame just received?. It will drop the frame. It will forward the frame out of port Fa0/3 only. It will flood the frame out all ports. It will flood the frame out of all the ports except Fa0/3.

Which of the following are types of flow control? (Choose three.). buffering. cut-through. windowing. congestion avoidance. load balancing.

Which two characteristics apply to Layer 2 switches? (Choose two.). Increases the number of collision domains. Decreases the number of collision domains. Implements VLAN. Decreases the number of broadcast domains. Uses the IP address to make decisions for forwarding data packets.

Which transport layer protocol provides best-effort delivery service with no acknowledgment receipt required?. HTTP. IP. TCP. Telnet. UDP.

Which two characteristics describe the access layer of the hierarchical network design model? (Choose two.). layer 3 support. port security. redundant components. VLANs. PoE.

Which two options will help to solve the problem of a network that is suffering a broadcast storm? (Choose two.). a bridge. a router. a hub. a Layer 3 switch. an access point.

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?. drop the frame. forward it out of all ports except the one that received it. forward it out of all ports. store it until it learns the correct port.

Refer to the exhibit. 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.). The switch will not forward a frame with this destination MAC address. The MAC address of 0000.00aa.aaaa will be added to the MAC Address Table. The MAC address of ffff.ffff.ffff will be added to the MAC address table. The frame will be forwarded out of all the active switch ports except for port fa0/0. The frame will be forwarded out of fa0/0 and fa0/1 only. The frame will be forwarded out of all the ports on the switch.

What is the purpose of flow control?. To ensure data is retransmitted if an acknowledgement is not received. To reassemble segments in the correct order at the destination device. To provide a means for the receiver to govern the amount of data sent by the sender. To regulate the size of each segment.

Refer to the exhibit. What two things can the technician determine by successfully pinging from this computer to the IP address 172.16.236.1? (Choose two). The network card on the computer is functioning correctly. The default static route on the gateway router is correctly configured. The correct default gateway IP address is configured on the computer. The device with the IP address 172.16.236.1 is reachable over the network. The default gateway at 172.16.236.1 is able to forward packets to the internet.

What does a host on an Ethernet network do when it is creating a frame and it does not have the destination address?. Drops the frame. Sends out a Layer 3 broadcast message. Sends a message to the router requesting the address. Sends out an ARP request with the destination IP address.

Refer to the exhibit. 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.). The MAC address of 0000.00aa.aaaa will be added to the MAC address table. The MAC address of 0000.00dd.dddd will be added to the MAC address table. The frame will be forwarded out of port fa0/3 only. The frame will be forwarded out of fa0/1, fa0/2, and fa0/3. The frame will be forwarded out of all the active ports.

How many simultaneous Telnet sessions does a Cisco router support by default?. 1. 2. 3. 4. 5. 6.

Refer to the exhibit. How many collision domains are shown?. one. two. three. four. six. twelve.

Refer to the exhibit. All devices attached to the network are shown. How many collision domains are present in this network?. 2. 3. 6. 9. 15.