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Cisco 100-101 Exam Syllabus Topics:
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NEW QUESTION 32
CORRECT TEXT
Which two of the following are true regarding the configuration of RouterA? (Choose two.)
- A. only telnet protocol connections to RouterA are supported
- B. since DHCP is not used on FaO/1 there is not a need to use the NAT protocol
- C. at least 5 simultaneous remote connections are possible
- D. remote connections to RouterA using telnet will succeed
- E. console line connections will nevertime out due to inactivity
Answer: C,D
Explanation:
The IP address can accommodate 5 hosts at least, telnet can be accessed on the router
NEW QUESTION 33
Refer to the exhibit.
What is the simplest way to configure routing between the regional office network 10.89.0.0/20 and the corporate network?
- A. router2(config)#ip route 10.89.3.0 255.255.0.0 10.89.16.2
- B. router1(config)#ip route 10.89.0.0 255.255.240.0 10.89.16.2
- C. router2(config)#ip route 0.0.0.0 0.0.0.0 10.89.16.1
- D. router1(config)#ip route 10.89.0.0 255.255.240.0 10.89.16.1
Answer: C
Explanation:
Explanation/Reference:
The fourth command makes it possible for all hosts beyond R2 and all hosts beyond R1 to
interact with each other, hence it is the most simplest technique.
NEW QUESTION 34
What is the default maximum number of equal-cost paths that can be placed into the routing table of a Cisco OSPF router?
- A. 0
- B. 1
- C. 2
- D. unlimited
Answer: B
Explanation:
Maximum-paths (OSPF)
To control the maximum number of parallel routes that Open Shortest Path First (OSPF)
can support, use the maximum-paths command.
Syntax Description
maximum
Maximum number of parallel routes that OSPF can install in a routing table. The range is from 1 to 16 routes.
Command Default
8 paths
NEW QUESTION 35
Refer to the exhibit.
Given the output for this command, if the router ID has not been manually set, what router ID will OSPF use for this router?
- A. 10.154.154.1
- B. 192.168.5.3
- C. 172.16.5.1
- D. 10.1.1.2
Answer: C
Explanation:
Explanation The highest IP address of all loopback interfaces will be chosen -> Loopback 0 will be chosen as the router ID.
NEW QUESTION 36
Refer to the exhibit.
The two routers have had their startup configurations cleared and have been restarted. At a minimum, what must the administrator do to enable CDP to exchange information between R1 and R2?
- A. Configure IP addressing and no shutdown commands on both the R1 and R2 fa0/1 interfaces.
- B. Enter no shutdown commands on the R1 and R2 fa0/1 interfaces.
- C. Configure the router with the cdp enable command.
- D. Configure IP addressing and no shutdown commands on either of the R1 or R2 fa0/1 interfaces.
Answer: B
Explanation:
If the shut down commands are not entered, then CDP can exchange information between the two routers, else it would fail.
NEW QUESTION 37
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?
- A. 192.168.0.1
- B. 00-17-94-61-18-b0
- C. ff-ff-ff-ff-ff-ff
- D. 172.16.0.50
- E. 255.255.255.255
- F. 00-19-d3-2d-c3-b2
Answer: C
Explanation:
For the initial communication, Host A will send a broadcast ARP (all F's) to determine the correct address to use to reach the destination.
NEW QUESTION 38
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. 0
- B. 1
- C. 2
- D. 3
- E. 4
- F. 5
Answer: C
Explanation:
Explanation/Reference:
/30 CIDR corresponds to mask 55.255.255.252 whose binary is 11111100 which means 6
subnet bits and 2 host bits which means 62 subnets and 2 hosts per subnet.
NEW QUESTION 39 
Which of the following is true regarding the configuration of SwitchA?
- A. remote connections using ssh will require a username and password
- B. console access to SwitchA requires a password
- C. only connections from the local network will be possible
- D. only 5 simultaneous remote connections are possible
Answer: A
Explanation:
Explanation/Reference:
Ssh login requires a user name and password always while other conditions may or may not be true.
NEW QUESTION 40
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?
- A. 10.168.11.88
- B. C3:C3:C3:C3:C3:C3
- C. B2:B2:B2:B2:B2:B2
- D. A1:A1:A1:A1:A1:A1
- E. 10.168.10.99
- F. D4:D4:D4:D4:D4:D4
Answer: B
Explanation:
When packets transfer from one host to another across a routed segment, the source IP address always remains the same source IP address, and the source physical (MAC) address will be the existing router's interface address. Similarly, the destination IP address always remains the same and the destination physical (MAC) address is the destination router's interface address.
NEW QUESTION 41
Which statements are true regarding ICMP packets? (Choose two.)
- A. They acknowledge receipt of TCP segments.
- B. They are encapsulated within UDP datagrams.
- C. They are encapsulated within IP datagrams.
- D. TRACERT uses ICMP packets.
- E. They guarantee datagram delivery.
Answer: C,D
Explanation:
ping may be used to find out whether the local machines are connected to the network or whether a remote site is reachable. This tool is a common network tool for determining the network connectivity which uses ICMP protocol instead of TCP/IP and UDP/IP. This protocol is usually associated with the network management tools which provide network information to network administrators, such as ping and traceroute (the later also uses the UDP/IP protocol). ICMP is quite different from the TCP/IP and UDP/IP protocols. No source and destination ports are included in its packets. Therefore, usual packet-filtering rules for TCP/IP and UDP/IP are not
applicable. Fortunately, a special "signature" known as the packet's Message type is included for
denoting the purposes of the ICMP packet. Most commonly used message types are namely, 0, 3,
4, 5, 8, 11, and 12 which represent echo reply, destination unreachable, source quench, redirect,
echo request, time exceeded, and parameter problem respectively.
In the ping service, after receiving the ICMP "echo request" packet from the source location, the
destination
NEW QUESTION 42
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. a switch with one Ethernet and one serial interface
- B. a switch with two Ethernet interfaces
- C. a router with one Ethernet and one serial interface
- D. a router with two Ethernet interfaces
- E. a router with one Ethernet and one modem interface
Answer: C
Explanation:
Explanation/Reference: Only a router can terminate a leased line attachment access circuit, and only a router can connect two different IP networks. Here, we will need a router with two interfaces, one serial connection for the line attachment and one Ethernet interface to connect to the switch on the LAN.
NEW QUESTION 43
How can you ensure that only the MAC address of a server is allowed by switch port Fa0/1?
- A. Configure the server MAC address as a static entry of port security.
- B. Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.
- C. Use a proprietary connector type on Fa0/1 that is incomputable with other host connectors.
- D. Configure port Fa0/1 to accept connections only from the static IP address of the server.
Answer: A
Explanation:
When the MAC address is configured as static entry, no other address is allowed.
Topic 7, Troubleshooting
NEW QUESTION 44
What is the best practice when assigning IP addresses in a small office of six hosts?
- A. Use a DHCP server that is located at the headquarters.
- B. Assign the addresses statically on each node.
- C. Assign the addresses by using the local CDP protocol.
- D. Use a DHCP server that is located at the branch office.
Answer: B
Explanation:
Its best to use static addressing scheme where the number of systems is manageable rather than use dynamic protocol as it is easy to operate and manage.
NEW QUESTION 45
Which router command will configure an interface with the IP address 10.10.80.1/19?
- A. router(config-if)# ip address 10.10.80.1 255.255.0.0
- B. router(config-if)# ip address 10.10.80.1/19
- C. router(config-if)# ip address 10.10.80.1 255.255.255.240
- D. router(config-if)# ip address 10.10.80.1 255.255.240.0
- E. router(config-if)# ip address 10.10.80.1 255.255.224.0
- F. router(config-if)# ip address 10.10.80.1 255.255.255.0
Answer: E
Explanation:
255.255.224 equal /19 in CIDR format hence the answer
NEW QUESTION 46
Refer to the exhibit.
A network associate has configured OSPF with the command:
City(config-router)# network 192.168.12.64 0.0.0.63 area 0
After completing the configuration, the associate discovers that not all the interfaces are participating in OSPF. Which three of the interfaces shown in the exhibit will participate in OSPF according to this configuration statement? (Choose three.)
- A. Serial0/0
- B. Serial0/1.104
- C. FastEthernet0 /1
- D. Serial0/1.102
- E. FastEthernet0 /0
- F. Serial0/1.103
Answer: A,C,D
Explanation:
Explanation/Reference:
The "network 192.168.12.64 0.0.0.63 equals to network 192.168.12.64/26. This network
has:
+
Increment: 64 (/26= 1111 1111.1111 1111.1111 1111.1100 0000)
+
Network address: 192.168.12.64
+
Broadcast address: 192.168.12.127
Therefore all interface in the range of this network will join OSPF.
NEW QUESTION 47
Refer to the exhibit.
Which two statements are correct? (Choose two.)
- A. This command is incorrect, it needs to specify the interface, such as s0/0/0 rather than an IP address.
- B. Adding the subnet mask is optional for the ip route command.
- C. The same command needs to be entered on RouterA so that hosts on the 172.16.1.0 network can reach network 10.0.0.0.
- D. This will allow any host on the 172.16.1.0 network to reach all known destinations beyond RouterA.
- E. This is a default route.
Answer: D,E
Explanation:
This is obviously the default value for the route which is set between the routers and since it is entered in such a manner that it ensures connectivity between the stub network and any host lying beyond RouterA.
NEW QUESTION 48
An advertiser initially creates a Conversions objective campaign and optimizes for landing page views. The advertiser then decides to increase the budget.
Which change might the advertiser observe when using the estimated daily results tool?
- A. Estimated reach increases
- B. Estimated conversions decrease
- C. Estimated clicks decrease
- D. Estimated impressions increase
Answer: B
NEW QUESTION 49
An administrator has connected devices to a switch and, for security reasons, wants the dynamically learned MAC addresses from the address table added to the running configuration. What must be done to accomplish this?
- A. Set the switchport mode to trunk and save the running configuration.
- B. Use the switchport protected command to have the MAC addresses added to the configuration.
- C. Enable port security and use the keyword sticky.
- D. Use the no switchport port-security command to allow MAC addresses to be added to the configuration.
Answer: C
Explanation:
One can configure MAC addresses to be sticky. These can be dynamically learned or manually configured, stored in the address table, and added to the running configuration. If these addresses are saved in the configuration file, the interface does not need to dynamically relearn them when the switch restarts, hence enabling security as desired.
NEW QUESTION 50
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. a switch with one Ethernet and one serial interface
- B. a switch with two Ethernet interfaces
- C. a router with one Ethernet and one serial interface
- D. a router with two Ethernet interfaces
- E. a router with one Ethernet and one modem interface
Answer: C
Explanation:
Only a router can terminate a leased line attachment access circuit, and only a router can connect two different IP networks. Here, we will need a router with two interfaces, one serial connection for the line attachment and one Ethernet interface to connect to the switch on the LAN.
NEW QUESTION 51
A brand launches a new website and wants to encourage people to visit it. What should the brand select first to create the campaign?
- A. Automatic Placements
- B. The appropriate ad objective
- C. The right creative for the campaign
- D. The right call to action for the audience
- E. Custom Audiences and Lookalike Audiences
Answer: B
NEW QUESTION 52
The goal of data engineering is to make quality data available for fact-finding and decision-making. Which one of these statements captures the process of data engineering?
- A. Processing data and making it available to users securely
- B. Collecting, processing, storing, and making data available to users securely
- C. Collecting, processing, and storing data
- D. Collecting, processing, and making data available to users securely
Answer: B
NEW QUESTION 53
A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782. The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?
- A. the OSPF and RIPv2 routes
- B. all three routes
- C. the OSPF route
- D. the EIGRP route
- E. the RIPv2 route
Answer: D
Explanation:
Explanation When one route is advertised by more than one routing protocol, the router will choose to use the routing protocol which has lowest Administrative Distance. The Administrative Distances of popular routing protocols are listed below:
NEW QUESTION 54
Refer to the exhibit.
For security reasons, information about RTA, including platform and IP addresses, should not be accessible from the Internet. This information should, however, be accessible to devices on the internal networks of RTA.
Which command or series of commands will accomplish these objectives?
- A. RTA(config)#interface s0/0 RTA(config-if)#no cdp enable
- B. RTA(config)#no cdp enable
- C. RTA(config)#no cdp run
- D. RTA(config)#interface s0/0 RTA(config-if)#no cdp run
Answer: A
Explanation:
Explanation/Reference: http://www.cisco.com/en/US/tech/tk962/technologies_tech_note09186a00801aa000.shtml# topicenab
When CDP is enabled globally using the cdp run command, it is enabled by default on all supported interfaces (except for Frame Relay multipoint subinterfaces) to send and receive CDP information. You can disable CDP on an interface that supports CDP with the no cdp enable command.
Router#show cdp neighbors Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge S - Switch, H - Host, I - IGMP, r - Repeater
Router# On this router, CDP is enabled on Serial 1 and Ethernet 0 interfaces. Disable CDP on the Serial 1 interface and verify if the neighbor device is discovered on the serial 1 interface, as this output shows: Router#configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router(config)#interface s1 Router(config-if)#no cdp enable Router(config-if)# Z Router#4w5D. %SYS-5-CONFIG_I: Configured from console by console
NEW QUESTION 55
What does administrative distance refer to?
- A. the cost to reach a network that is administratively set
- B. a measure of the trustworthiness of a routing information source
- C. the cost of a link between two neighboring routers
- D. the advertised cost to reach a network
Answer: B
Explanation:
Administrative distance is the first criterion that a router uses to determine which routing protocol to use if two protocols provide route information for the same destination. Administrative distance is a measure of the trustworthiness of the source of the routing information. The smaller the administrative distance value, the more reliable the protocol.
NEW QUESTION 56
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