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New Cisco 100-105 Exam Dumps Collection (Question 10 - Question 19)
Question No: 10
Refer to the exhibit. The network administrator must complete the connection between the RTA of the XYZ Company and the service provider. To accomplish this task, which two devices could be installed at the customer site to provide a connection through the local loop to the central office of the provider? (Choose two.)
A. WAN switch
B. PVC
C. ATM switch
D. multiplexer
E. CSU/DSU
F. modem
Answer: E,F
Question No: 11
Which command displays the number of times that an individual router translated an inside address to an outside address?
A. show ip protocol 0
B. show ip nat translation
C. show counters
D. show ip route
E. show ip nat statistics
Answer: E
Question No: 12
When a router makes a routing decision for a packet that is received from one network and destined to another, which portion of the packet does if replace?
A. Layer 2 frame header and trailer
B. Layer 3 IP address
C. Layer 5 session
D. Layer 4 protocol
Answer: A
Explanation:
Router Switching Function (1.2.1.1)A primary function of a router is to forward packets toward their destination. This is accomplished by using a switching function, which is the process used by a router to accept a packet on one interface and forward it out of another interface. A key responsibility of the switching function is to encapsulate packets in the appropriate data link frame type for the outgoing data link.
NOTE
In this context, the term u201cswitchingu201d literally means moving packets from source to destination and should not be confused with the function of a Layer 2 switch.
After the router has determined the exit interface using the path determination function, the router must encapsulate the packet into the data link frame of the outgoing interface.
What does a router do with a packet received from one network and destined for another network? The router performs the following three major steps:
u2711 Step 1. De-encapsulates the Layer 3 packet by removing the Layer 2 frame
header and trailer.
u2711 Step 2. Examines the destination IP address of the IP packet to find the best path in the routing table.
u2711 Step 3. If the router finds a path to the destination, it encapsulates the Layer 3 packet into a new Layer 2 frame and forwards the frame out the exit interface.
Question No: 13
Which protocol provides best-effort delivery of user data in a network?
A. TCP
B. MAC
C. IP
D. ARP
E. SMTP
Answer: C
Question No: 14
Refer to the exhibit. Which feature is enabled by this configuration?
A. static NAT translation
B. a DHCP pool
C. a dynamic NAT address pool
D. PAT
Answer: C
Question No: 15
When you use the ping command to send ICMP messages across a network, what's the most common request/reply pair you'll see? (Select one answer choice)
A. Echo request and Echo reply
B. ICMP hold and ICMP send
C. ICMP request and ICMP reply
D. Echo off and Echo on
Answer: A
Question No: 16
Which network topology allows all traffic to flow through a central hub?
A. bus
B. star
C. mesh
D. ring
Answer: B
Explanation: Explanation
Star topology is the most popular topology for the network which allows all traffic to flow through a central device.
Question No: 17
Scenario:
You are a junior network engineer for a financial company, and the main office network is experiencing network issues. Troubleshoot the network issues.
Router R1 connects the main office to the internet, and routers R2 and R3 are internal routers.
NAT is enabled on router R1.
The routing protocol that is enabled between routers R1, R2 and R3 is RIPv2.
R1 sends the default route into RIPv2 for the internal routers to forward internet traffic to R1.
You have console access on R1, R2 and R3 devices. Use only show commands to troubleshoot the issues.
Examine the DHCP configuration between R2 and R3; R2 is configured as the DHCP server and R3 as the client. What is the reason R3 is not receiving the IP address via DHCP?
A. On R2. The network statement In the DHCP pool configuration is incorrectly configured.
B. On R3. DHCP is not enabled on the interface that is connected to R2.
C. On R2, the interface that is connected to R3 is in shutdown condition.
D. On R3, the interface that is connected to R2 is in shutdown condition.
Answer: B
Explanation:
Please check the below:
Question No: 18
Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?
A. dual stack XX
B. dynamic
C. Teredo
D. Manual 6to4
Answer: C
Question No: 19
What is the requirement of configuring 6to4 tunnelling on two routers?
A. Both ipv6 and ipv4 must be configured
B. Only IPv6
C. Only IPv4
Answer: A
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