MOD 5

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In what two situations would UDP be better than TCP as the preferred transport protocol? (Choose two.)

- when a faster delivery mechanism is needed - when applications do not need to guarantee delivery of the data

A device has an IPV6 address listed as 2001:0DB8:75a3:0214:0607:1234:aa10:ba01. What is the interface ID of the device?

0607:1234:aa10:ba01

physical layer

1

Inside local

10.130.5.76

Inside global

192.0.2.1

data link layer

2

Outside global

203.0.113.5

Refer to the exhibit. An organization is using static NAT to translate the private IP address of Host A to a single public IP address leased from the ISP. Which address is the inside global address of Host A?

209.165.202.129

network layer

3

transport layer

4

session layer

5

presentation layer

6

application layer

7

What IPv4-related DNS record type is used by a DNS server in response to a host requesting for a web server address via the URL?

A record

Refer to the exhibit. A computer that is configured with the IPv4 address as shown in the exhibit is unable to access the internet. What is the problem?​

The gateway address is in the wrong subnet.

What type of address is 01-00-5E-0A-00-02?

an address that reaches a specific group of hosts

EtherType

fifth field

Preamble

first field

Source Address

fourth field

SFD

second field

FCS

seventh field

Data

sixth field

Destination Address

third field

What is the function of the Nslookup utility?

to manually query the name servers to resolve a given host name

What is the common term given to SNMP log messages that are generated by network devices and sent to the SNMP server?

traps

Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)

- network - transport

In what two situations would UDP be the preferred transport protocol over TCP? (Choose two.)

- when a faster delivery mechanism is needed - when applications do not need to guarantee delivery of the data

Consider the following routing table entry for R1: D 10.1.1.0/24 [90/2170112] via 209.165.200.226, 00:00:05, Serial0/0/0

It is the interface on R1 used to send data that is destined for 10.1.1.0/24.

What will a host on an Ethernet network do if it receives a frame with a unicast destination MAC address that does not match its own MAC address?

It will discard the frame.

A high school in New York (school A) is using videoconferencing technology to establish student interactions with another high school (school B) in Russia. The videoconferencing is conducted between two end devices through the Internet. The network administrator of school A configures the end device with the IP address 209.165.201.10. The administrator sends a request for the IP address for the end device in school B and the response is 192.168.25.10. Neither school is using a VPN. The administrator knows immediately that this IP will not work. Why?

This is a private IP address.

What is one advantage of using the cut-through switching method instead of the store-and-forward switching method?

has a lower latency appropriate for high-performance computing applications

Which solution improves web response time by deploying multiple web servers and DNS servers?

load balancing

What command can a technician use on a computer to see if DNS is functioning properly?

nslookup


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