CCNA 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?

What is the auto-MDIX feature on a switch?

What is the purpose of the routing process?

What is the purpose of ICMP messages?

Launch PT – Hide and Save PT
Open the PT activity. Perform the tasks in the activity instructions and then fill in the blank.
The Server0 message is

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

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the
administrator uses Telnet to connect to the switch, which password is needed to access user EXEC
mode?

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

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

What is the purpose of the network security accounting function?

Refer to the exhibit. An administrator wants to change the name of a brand new switch, using the
hostname command as shown. What prompt will display after the command is issued?

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

The OSPF Type 1 packet is the_____​ packet.

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

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

What is the correct order for PDU encapsulation?

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?

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

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

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

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.)

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

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

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

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

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

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

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

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? (Choose two.)

Which two commands should be implemented to return a Cisco 3560 trunk port to its default configuration? (Choose two.)

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

Which three IP addresses are private ? (Choose three.)

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

Which command will enable auto-MDIX on a device?

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

What is a characteristic of the LLC sublayer?

Which function is provided by TCP?

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

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

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-ffff.
Which statement describes this entry?

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.)

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

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?

The network administrator enters these commands into the R1 router:

R1# copy running-config tftp
Address or name of remote host [ ]?

When the router prompts for an address or remote host name, what IP address should the administrator enter at the prompt?

Which three parameters could be in an extended access control list? (Choose three.)

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

The computers used by the network administrators for a school are on the 10.7.0.0/27 network. Which two commands are needed at a minimum to apply an ACL that will ensure that only devices that are used by the network administrators will be allowed Telnet access to the routers? (Choose two.)

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?

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

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