CCNA 1

Which two notations are useable nibble boundaries when subnetting in IPv6? (Choose two.)

/68 /64

Which three IP addresses are private ?

10.1.1.1 172.16.4.4 192.168.5.5

Global Unicast

2001:DB8:10::12 2001:DB8:0b:C78::1

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Which IPv6 address is assigned to the Serial0/0/0 interface on RT2?

2001:db8:abc:5::1

Refer to the exhibit.A TCP segment from a server has been captured by Wireshark, which is running on a host. What acknowledgement number will the host return for the TCP segment that has been received?

306

How does a Layer 3 switch differ from a Layer 2 switch

An IP address can be assigned to a physical port of a Layer 3 switch. However, this is not supported in Layer 2 switches.

Refer to the exhibit. Which area would most likely be an extranet for the company network that is shown?

Area C

Fiber Optic

Backbone cabling in an enterprise long-haul networks

What method is used to manage contention-based access on a wireless network?

CSMA/CA

A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?

DSL

What two preconfigured settings that affect security are found on most new wireless routers?

Default admin password broadcast SSID

Link Local

FE80:0:56Ba;FFEE:A0b4:47ff:fe36:532B FE90::1

Multicast

FF02:2 FF02::1:FF3A;25C9

What is the correct order for PDU encapsulation?

Frame/Network/Transport/Data/Frame trailer

Wireless

Guest access in a coffee shop waiting rooms in a hospital

What is an important function of the physical layer of the OSI model?

It encodes frames into electrical, optical, or radio waves signals.

What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table?

It forwards the frame out of all ports except for the port at which the frame was received.

What is a characteristic of the LLC sublayer?

It places information in the frame that allows multiple Layer 3 protocols to use the same network interface and media.

Which address on a PC does not change, even if the PC is moved to a different network?

MAC address

Which technology provides a solution to IPv4 address depletion by allowing multiple devices to share one public IP address?

NAT

During normal operation, from which location do most Cisco switches and routers run the IOS?

RAM

Which two statements correctly describe a router memory type and its contents? (Choose two.)

ROM is nonvolatile and contains basic diagnostic software. RAM is volatile and stores the IP routing table.

Which publicly available resources describe protocols, processes, and technologies for the Internet but do not give implementation details?

Request for Comments

Refer to the exhibit. Which IP addressing scheme should be changed?

Site 2

Refer to the exhibit. What is the significance of the asterisk (*) in the exhibited output?

The asterisk designates which file system is the default file system.

What happens when part of an Internet radio transmission is not delivered to the destination?

The transmission continues without the missing portion.

The Server0 message is

Winner

Which connection provides a secure CLI session with encryption to a Cisco switch?

an SSH connection

A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)

applying security settings to control the flow of data notifying other devices when errors occur regenerating data signals

What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)

detection of errors through CRC calucations delimiting groups of bits into frames data link layer addressing

Refer to the exhibit. A ping to PC3 is issued from PC0, PC1, and PC2 in this exact order. Which MAC addresses will be contained in the S1 MAC address table that is associated with the Fa0/1 port? just the PC0 MAC address

just PC0 and PC1 MAC addresses

When applied to a router, which command would help mitigate brute-force password attacks against the router?

login block-for 60 attempts 5 within 60

During data communications, a host may need to send a single message to a specific group of destination hosts simultaneously. This message is in the form of a _______ message.

multicast

What is the auto-MDIX feature on a switch?

the automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection

Which parameter does the router use to choose the path to the destination when there are multiple routes available?

the lower metric value that is associated with the destination network

A frame is transmitted from one networking device to another. Why does the receiving device check the FCS field in the frame?

to check the frame for possible transmission errors

What is the effect of configuring the ipv6 unicast-routing command on a router?

to enable the router as an IPv6 router

What is the purpose of the routing process?

to select the paths that are used to direct traffic to destination networks

Which two components are necessary for a wireless client to be installed on a WLAN? (Choose two.)

wireless NIC wireless client software

Switch(Config)# hostname My Switch What will display on a new switch after the command is run.

Switch(config)#​

Which three statements characterize the transport layer protocols? (Choose three.)

TCP and UDP port numbers are used by application layer protocols. TCP uses windowing and sequencing to provide reliable transfer of data. TCP is a connection-oriented protocol. UDP is a connectionless protocol.

Which subnet would include the address 192.168.1.96 as a usable host address?

192.168.1.64/26

A host PC has just booted and is attempting to lease an address through DHCP. Which two messages will the client typically broadcast on the network?

DHCPREQUEST DHCPDISCOVER

Which field in an IPv4 packet header will typically stay the same during its transmission?

Destination Address

Copper Cables

Horizontal Cabling Structure Desktop PCs in an enterprise office

Refer to the exhibit. Consider the IP address configuration shown from PC1. What is a description of the default gateway address?

It is the IP address of the Router1 interface that connects the PC1 LAN to Router1.

In which default order will a router search for startup configuration information?

NVRAM, TFTP, Setup Mode

What will happen if the default gateway address is incorrectly configured on a host?

The host cannot communicate with host in other networks.

After making configuration changes, a network administrator issues a copy running-config startup-config command in a Cisco switch. What is the result of issuing this command?

The new configuration will be loaded if the switch is restarted.

A PC is configured to obtain an IP address automatically from network 192.168.1.0/24. The network administrator issues the arp -a command and notices an entry of 192.168.1.255 ff-ff-ff-ff-ff-ff. Which statement describes this entry?

This is a static map entry

Which procedure is used to reduce the effect of crosstalk in copper cables?

Twisting opposing circuit wire pairs together

On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?

VLAN 1

Which type of wireless security generates dynamic encryption keys each time a client associates with an AP?

WPA

Three bank employees are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other corporate managers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?

audio conference, financial transactions, web page

Which function is provided by TCP?

detection of missing packets

An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?

interrupt the ping process

A particular website does not appear to be responding on a Windows 7 computer. What command could the technician use to show any cached DNS entries for this web page?

ipconfig /displaydns

A technician uses the ping 127.0.0.1 command. What is the technician testing?

the TCP/IP stack on a network host

A network engineer is measuring the transfer of bits across the company backbone for a mission critical database application. The engineer notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)

the amount of traffic that is currently crossing the network the type of traffic that is crossing the network the latency that is created by the number of network devices that the data is crossing

What is the purpose of the network security accounting function?

to keep track of the actions of a user

What is the purpose of ICMP messages?

to provide feedback of IP packet transmissions

What is the purpose of having a converged network?

to reduce the cost of deploying and maintaining the communication infrastructure