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Data Communications and Networking 2

Showing 1-75 of 363 answers

"Refer to the exhibit. According to the routing table, where will the router send a packet destined for 10.1.5.65? Network Interface Next-hop 10.1.1.0/24 e0 directly connected 10.1.2.0/24 e1 directly connected 10.1.3.0/25 s0 directly connected 10.1.4.0/24 s1 directly connected 10.1.5.0/24 e0 10.1.1.2 10.1.5.64/28 e1 10.1.2.2 10.1.5.64/29 s0 10.1.3.3 10.1.5.64/27 s1 10.1.4.4"
  • 10.1.3.3 Correct
41
"Router On Stick" is a method used for communicating inter-vlan using a router.
  • True Correct
  • False
212
3
"The primary functions of a router are the following? 1. Packet switching 2. Flow control 3. Domain name resolution 4. Path selection 5. Microsegmentation"
  • 1 & 4 Correct
46
"To enable network access to a remote destination, what three pieces of information must be configured on a host? 1. default gateway 2. hostname 3. DNS server address 4. DHCP server address 5. IP address 6. subnet mask"
  • 1, 5, 2006 Correct
108
1
"True of False. Ingress is used to describe frames leaving the device through a particular port."
  • The correct answer is 'False'. Correct
192
"Which of the following are 2 primary functions of a router? 1. Packet switching 2. Microsegmentation 3. Domain name resolution 4. Path selection 5. Flow control"
  • 2 & 4 Correct
160
"Which three elements must be used when you configure a router interface for VLAN trunking? 1. one physical interface for each subinterface 2. one IP network or subnetwork for each subinterface 3. a management domain for each subinterface 4. subinterface encapsulation identifiers that match VLAN tags 5. one subinterface per VLAN 6. subinterface numbering that matches VLAN tags"
  • 2, 4, 5 Correct
227
"Which two features are characteristics of flash memory? 1. Flash receives a copy of the IOS from RAM when a device is powered on. 2. Flash provides nonvolatile storage. 3. The contents of flash may be overwritten. 4. Flash is a component in Cisco switches but not in Cisco routers. 5. The contents of flash may be lost during a power cycle."
  • 2 & 3 Correct
280
"Which two features are characteristics of flash memory? 1. The contents of flash may be lost during a power cycle. 2. Flash provides nonvolatile storage. 3. The contents of flash may be overwritten. 4. Flash is a component in Cisco switches but not in Cisco routers. 5. Flash receives a copy of the IOS from RAM when a device is powered on."
  • 2 & 3 Correct
167
"Which two link protocols are used to carry multiple VLANs over a single link? 1. VTP 2. 802.1q 3. IGP 4. ISL 5. 802.3u"
  • 2 & 4 Correct
190
"Which two network parameters are used by EIGRP as metrics to select the best path to reach a network? 1. Jitter 2. bandwidth 3. resiliency 4. hop count 5. delay 6. confidentiality"
  • 2 & 5 Correct
42
"Which two statements correctly describe the components of a router? 1. RAM permanently stores the configuration file used during the boot sequence. 2. ROM contains diagnostics executed on hardware modules. 3. NVRAM stores a backup copy of the IOS used during the boot sequence. 4. Flash memory does not lose its contents during a reboot. 5. ROM contains the most current and most complete version of the IOS. 6. Flash contains boot system commands to identify the location of the IOS"
  • 2 & 4 Correct
137
"Which two statements correctly describe the concepts of administrative distance and metric? (Choose two.) 1. The metric varies depending which Layer 3 protocol is being routed, such as IP. 2. A router first installs routes with higher administrative distances. 3. The value of the administrative distance can not be altered by the network administrator. 4. Routes with the smallest metric to a destination indicate the best path. 5. Administrative distance refers to the trustworthiness of a particular route. 6. The metric is always determined based on hop count."
  • 4 & 5 Correct
197
"Which two statements correctly describe the concepts of administrative distance and metric? 1. The metric varies depending which Layer 3 protocol is being routed, such as IP. 2. A router first installs routes with higher administrative distances. 3. The value of the administrative distance can not be altered by the network administrator. 4. Routes with the smallest metric to a destination indicate the best path. 5. Administrative distance refers to the trustworthiness of a particular route. 6. The metric is always determined based on hop count."
  • 4 & 5 Correct
56
7. )) Refer to the exhibit. A network administrator has configured R1 as shown. When the administrator checks the status of the serial interface, the interface is shown as being administratively down. What additional command must be entered on the serial interface of R1 to bring the interface up?
  • enable
  • IPv6 enable
  • clockrate 128000
  • no shutdown Correct
32
A collection of interconnected switches forms a _______________________.
  • Broadcast domain Correct
  • Common domain
  • Collision domain
  • Shared domain
40
1
A company has deployed four 48-port access layer switches to a switch block. For redundancy each access layer switch will connect to two distribution layer switches. Additionally, link aggregation will be used to combine 10 Gbps interfaces to form 20 Gbps trunk links from the access layer switches to the distribution layer switches. How many switch ports on the access layer switches will be available in the switch block to support end devices?
  • 176 Correct
219
A network administrator configured an EtherChannel link with three interfaces between two switches. What is the result if one of the three interfaces is down?
  • The remaining two interfaces continue to load balance traffic. Correct
53
A network administrator configures the interface fa0/0 on the router R1 with the command ip address 172.16.1.254 255.255.255.0. However, when the administrator issues the command show ip route, the routing table does not show the directly connected network. What is the possible cause of the problem?
  • The configuration needs to be saved first
  • The interface fa0/0 has not been activated Correct
  • The subnet mask is incorrect for the IPv4 address
  • No packets with a destination network of 1721610 have been sent to R1
141
1
A network administrator enters the following command sequence on a Cisco 3560 switch. What is the purpose of these commands? Switch(config)# interface gigabitethernet 0/1 Switch(config-if)# no switchport
  • to make the Gi0/1 port a routed port Correct
38
A network administrator has examined the routing table of a router and noted that the entry for the destination network 172.16.4.0/24 begins with the letter D. What does this letter signify?
  • The route source was learned dynamically Correct
  • The route to network 1721640/24 is directly connected
  • The route to this network is configured statically on the router
  • That is the direct route for packets to that network
213
A network administrator in XYZ Telecom is troubleshooting an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?
  • Router#showipeigrp neighbors Correct
  • Router# show ipeigrp topology
  • Router# show ipeigrp adjacency
  • Router#showipeigrp interfaces
179
1
A network administrator is analyzing first-hop router redundancy protocols. What is a characteristic of VRRPv3?
  • It supports IPv6 and IPv4 addressing. Correct
167
A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement describes a feature that is associated with HSRP?
  • HSRP uses active and standby routers. Correct
186
A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement is a feature that is associated with GLBP?
  • GLBP allows load balancing between routers. Correct
40
A network administrator is trying to add a new router into an established OSPF network. The networks attached to the new router do not appear in the routing tables of the other OSPF routers. Given the information in the partial configuration shown below, what configuration error is causing this problem?
  • The network wildcard mask is configured improperly. Correct
33
A network administrator is trying to add a new router into an established OSPF network. The networks attached to the new router do not appear in the routing tables of the other OSPF routers. Given the information in the partial configuration shown below, what configuration error is causing this problem?Router(config)# router ospf 1Router(config-router)# network 10.0.0.0 255.0.0.0 area 0
  • The network wildcard mask is configured improperly Correct
  • The process id is configured improperly
  • The network number is configured improperly
  • The OSPF area is configured improperly
161
A network administrator needs to configure a standard ACL so that only the workstation of the administrator with the IP address 192.168.15.23 can access the virtual terminal of the main router. Which two configuration commands can achieve the task?Router1(config)# access-list 10 permit host 192.168.15.23Router1(config)# access-list 10 permit 192.168.15.23 0.0.0.0Router1(config)# access-list 10 permit 192.168.15.23 0.0.0.255Router1(config)# access-list 10 permit 192.168.15.23 255.255.255.0Router1(config)# access-list 10 permit 192.168.15.23 255.255.255.255
  • 1 & 2 Correct
  • 2 & 4
  • 3 & 5
  • 1 & 5
58
A network administrator of Stark Industries has examined the routing table of a router and noted that the entry for the destination network 172.16.4.0/24 begins with the letter D. What does this letter signify?
  • The route to network 1721640/24 is directly connected
  • The route source was learned dynamically Correct
  • The route to this network is configured statically on the router
  • That is the direct route for packets to that network
127
A network associate in Genesis Aerospace Industries has configured OSPF with the command:
  • 2, 3, 2006 Correct
223
A network engineer for a semiconductor company wants to use the primary ISP connection for all external connectivity. Refer at the diagram below. The backup ISP connection is used only if the primary ISP connection fails. Which set of commands would accomplish this goal?
  • ip route 19813321924 255255255252ip route 6410021080 255255255252
  • ip route 0000 0000 s0/0/0ip route 0000 0000 s0/1/0
  • ip route 19813321924 255255255252ip route 6410021080 255255255252 10
  • ip route 0000 0000 s0/0/0ip route 0000 0000 s0/1/0 10 Correct
200
A PC is to access a web server on another network. Which inter-VLAN method will provide the highest bandwidth at Layer 3 and also provide a default gateway for the PC?
  • router-on-a-stick Correct
92
1
A protocol that provides an encrypted connection to a remote device.
  • SSH Correct
  • FTP
  • HTTP
  • TCP/IP
191
1
A router has two FastEthernet interfaces and needs to connect to four vlans in the local network. How can you accomplish this task, using the fewest physical interfaces and without decreasing network performance?
  • Use a hub to connect the four vlans with a FastEthernet interface on router
  • Add two more FastEthernet interfaces
  • Add a second router to handle the vlan traffic
  • Implement a router-on-a-stick configuration Correct
52
A switch forwarding method that begins the forwarding process after the destination MAC address of an incoming frame and the egress port has been determined.
  • Automatic-forward switching
  • Rapid Frame forwarding
  • Store-and-forward switching
  • Cut-through switch method Correct
79
1
A switch forwarding method that makes a forwarding decision on a frame after it has received the entire frame and then checked the frame for errors.
  • Rapid Frame forwarding
  • Cut-through switch method
  • Store-and-forward switching Correct
  • Automatic-forward switching
102
1
A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?
  • More bandwidth will be required than was needed previously
  • More collision domains will be created
  • IP address utilization will be more efficient
  • An additional broadcast domain will be created Correct
184
A type of VLAN that is configured to carry user-generated traffic.
  • Data VLAN Correct
  • Native VLAN
  • Default VLAN
  • Management VLAN
54
A type of VLAN that is defined in the IEEE 802.1Q specification to maintain backward compatibility with untagged traffic common to legacy LAN scenarios.
  • Default VLAN
  • Management VLAN
  • Data VLAN
  • Native VLAN Correct
56
After pinging 192.168.1.10. Using show mac address. How many MAC addresses are there in total?
  • 0
  • 2
  • 24
  • 1 Correct
49
After typing show interface vlan 99 at the switch, What is the bandwidth on this interface?
  • BW 1000000 mbps
  • BW 1000000 kbit Correct
  • BW 1000000 Mbit
  • BW 1000000 bits
117
After typing show interface vlan 99 at the switch, What is the line protocol state?
  • Up Correct
  • Down
207
After typing show mac address-table ? , How many options are available for the show mac address-table command?
  • 4 Correct
  • 1
  • 2
  • 3
60
All hosts in the networks have been operational for several hours when the DHCP server goes down. What happens to the hosts that have obtained service from the DHCP server?
  • The hosts will be able to communicate with hosts outsides their own network
  • The hosts will not be able to communicate with any otherhosts
  • The hosts will continue to communicate normally for a period of time Correct
  • The hosts will only be able to communicate with otherhosts by IP address not by hostname
175
An administrator is investigating a failure on a trunk link between a Cisco switch and a switch from another vendor. After a few show commands, the administrator notices that the the switches are not negotiating a trunk. What is a probable cause for this issue?
  • Switches from other vendors do not support DTP. Correct
85
As a network administrator of RMS Aerospace Industries, you have been instructed to prevent all traffic originating on the LAN from entering the R2 router. Which the following command would implement the access list on the interface of the R2 router?
  • ip access-group 101 in Correct
50
1
As a network administrator, you have been instructed to prevent all traffic originating on the LAN from entering the R2 router. Which the following command would implement the access list on the interface of the R2 router?
  • ip access-group 101 in Correct
  • access-list 101 out
  • ip access-group 101 out
  • access-list 101 in
42
As the network administrator you have been asked to implement EtherChannel on the corporate network. What does this configuration consist of?
  • grouping multiple physical ports to increase bandwidth between two switches Correct
137
1
Assuming all configurations for this Lab are all correct as required. If I connect an additional PC to the sw and configured the PC 192.168.15 with the correct subnet and gateway, correct dns server and making sure there will be no conflict will it work?
  • Yes Correct
  • No
128
Assuming all configurations for this Lab are all correct as required. If I connect an additional PC to the sw will I ever have a chance to get the ip of 192.168.1.20?
  • Yes
  • No Correct
36
Configurations are stored within a VLAN database file, called
  • vlancfg
  • vlandat Correct
  • cisco_vlanini
  • cisco_vlandat
39
Do you think static routes are still used even with dynamic routing (RIP, OSPF, etc.)?
  • Yes Correct
  • No
222
During the initial configuration of the switch. What is the default name of VLAN 1?
  • Default Correct
  • None
  • Vlan1
  • Default VLAN
63
During the initial configuration of the switch. What is the duplex setting of the interface FastEthernet 0/6?
  • Duplex-Half
  • Half-Duplex
  • Full-Duplex Correct
  • Duplex-Full
161
Fill in the blank. Among the beneficial functions of a router are enhanced network security and containment of ________ traffic
  • broadcast Correct
116
Fill in the blank. The number of ports available on a single switch is referred to as _____________
  • Port Density Correct
117
For DHCP clients(PCs) what should be the default-gateway configured in each PCs?
  • 192168110
  • 192168120
  • 19216812
  • 19216811 Correct
36
For DHCP clients(PCs) what should be the DNS server configured in each PCs? To check do ipconfig /all to one of the dhcpclients(PCs).
  • 192168110
  • 19216812
  • 192168120
  • 19216815 Correct
100
For DHCP clients(PCs) what should be the subnet configured in each PCs?
  • 2552552550 Correct
  • 000255
  • 255000
  • 25525500
200
From PC11 ping 10.1.2.1. Observe the result. Is it successful?
  • Yes Correct
  • No
48
From PC12 ping 10.1.2.1. Observe the result. Is it successful?
  • Yes
  • No Correct
43
From PC21 ping 10.1.1.11. Observe the result. Is it successful?
  • No
  • Yes Correct
60
From PC31 ping 10.1.2.1. Observe the result. Is it successful?
  • No Correct
  • Yes
44
From PC32 ping 10.1.2.1. Observe the result. Is it successful?
  • No Correct
  • Yes
64
From R1 do show ip int brief. Observe each line. Take note GigabitEthernet0/1.10. Which status is true?
  • GigabitEthernet0/110 1921682001 YES manual up up
  • GigabitEthernet0/110 1921681001 YES manual up up Correct
  • GigabitEthernet0/110 1721681001 YES manual up up
  • GigabitEthernet0/110 19216810010 YES manual up up
83
From R1 do show ip route command, which statement is true at GigabitEthernet0/1.10?
  • C 1921681000/24 is directly connected, GigabitEthernet0/110 Correct
  • C 2101651000/24 is directly connected, GigabitEthernet0/110
  • C 1921681001/24 is directly connected, GigabitEthernet0/110
  • C 1721681000/24 is directly connected, GigabitEthernet0/110
54
1
From R1 do the "show ipint brief" command. Select the status for FastEthernet0/1.
  • FastEthernet0/1 unassigned YES unset administratively up down
  • FastEthernet0/1 unassigned YES unset administratively down down Correct
  • FastEthernet0/1 unassigned YES unset administratively up up
  • FastEthernet0/1 unassigned YES unset administratively down up
77
From R1 do the "show running-config" command. Select the statusthe correct configuration for FastEthernet0/0.
  • interface FastEthernet0/1ip address 19216811 2552552550duplex autospeed auto
  • interface FastEthernet0/0ip address 19216811 2552552550duplex autospeed auto Correct
  • interface FastEthernet0/0ip address 192168101 2552552550duplex autospeed auto
  • interface FastEthernet0/0ip address 17216811 25525500duplex autospeed auto
111
From R1 do the show ip route command. Select the correct connection protocol used for FastEthernet0/0.
  • C 19216810/24 is directly connected, FastEthernet0/0 Correct
  • S 19216810/24 is directly connected, FastEthernet0/0
  • D 19216810/24 is directly connected, FastEthernet0/0
  • O 19216810/24 is directly connected, FastEthernet0/0
40
From R1 do the show ipinterface briefcommand. Select the status for Serial0/0/0
  • Serial0/0/0 19216821 YES manual down up
  • Serial0/0/0 192168201 YES manual up up
  • Serial0/0/0 19216821 YES manual up up Correct
  • Serial0/0/0 19216821 YES manual up down
46
From R1 is there any default gateway configured?
  • No Correct
  • Yes
140
From R4 do ping test to R1 Loobackip (10.10.10.1). Is it successful?
  • No
  • Yes Correct
227
From R4 do ping test to R2 Loopback ip (10.10.20.1). Is it unsuccessful?
  • Yes
  • No Correct
58
From R4 do traceroute test to R1 Loobackip (10.10.10.1). Is it successful?
  • Yes Correct
  • No
110
From R4 do traceroute test to R3 Loopback ip (10.10.30.1). Is it successful?
  • Yes Correct
  • No
66
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