Which communication tool allows real-time collaboration?
wiki
e-mail
weblog
instant messaging
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.)
regenerating data signals
acting as a client or a server
providing a channel over which messages travel
applying security settings to control the flow of data
notifying other devices when errors occur
serving as the source or destination of the messages
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
dial-up
satellite
cell modem
cable modem
A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this requirement?
LAN
MAN
WAN
WLAN
Refer to the exhibit. From which location did this router load the IOS?
flash memory
NVRAM?
RAM
ROM
a TFTP server?
Which connection provides a secure CLI session with encryption to a Cisco network device?
a console connection
an AUX connection
a Telnet connection
an SSH connection
Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?
The entire command, configure terminal, must be used.
The administrator is already in global configuration mode.
The administrator must first enter privileged EXEC mode before issuing the command.
The administrator must connect via the console port to access global configuration mode.
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?
to restart the ping process
to interrupt the ping process
to exit to a different configuration mode
to allow the user to complete the command
What function does pressing the Tab key have when entering a command in IOS?
It aborts the current command and returns to configuration mode.
It exits configuration mode and returns to user EXEC mode.
It moves the cursor to the beginning of the next line.
It completes the remainder of a partially typed word in a command.
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?
My Switch(config)#
Switch(config)#
MySwitch(config)#
My(config)#
Switch#
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?
letmein
secretin
lineconin
linevtyin
Refer to the exhibit. Which action will be successful?
PC1 can send a ping to 192.168.1.1.
PC1 can send a ping to 192.168.1.254.
PC2 can send a ping to 192.168.1.1.
PC2 can send a ping to 192.168.1.254.
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 stored in flash memory.
The current IOS file will be replaced with the newly configured file.
The configuration changes will be removed and the original configuration will be restored.
The new configuration will be loaded if the switch is restarted.
Which IPv4 address can be pinged to test the internal TCP/IP operation of a host?
0.0.0.0
0.0.0.1
127.0.0.1
192.168.1.1
255.255.255.255
What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)
ARP
DHCP
DNS
FTP
NAT
PPP
Which two protocols function at the internet layer? (Choose two.)
BOOTP
ICMP
IP
Which publicly available resources describe protocols, processes, and technologies for the Internet but do not give implementation details?
Request for Comments
IRTF research papers
protocol models
IEEE standards
Which address on a PC does not change, even if the PC is moved to a different network?
IP address
default gateway address
MAC address
logical address
What is the protocol that is used to discover a physical address from a known logical address and what message type does it use?
ARP, multicast
DNS, unicast
DNS, broadcast
ARP, broadcast
PING, multicast
PING, broadcast
What will happen if the default gateway address is incorrectly configured on a host?
The host cannot communicate with other hosts in the local network.
The switch will not forward packets initiated by the host.
The host will have to use ARP to determine the correct address of the default gateway.
The host cannot communicate with hosts in other networks.
A ping from the host to 127.0.0.1 would not be successful.
What is an important function of the physical layer of the OSI model?
It accepts frames from the physical media.
It encapsulates upper layer data into frames.
It defines the media access method performed by the hardware interface.
It encodes frames into electrical, optical, or radio wave signals.
Which procedure is used to reduce the effect of crosstalk in copper cables?
requiring proper grounding connections
twisting opposing circuit wire pairs together
wrapping the bundle of wires with metallic shielding
designing a cable infrastructure to avoid crosstalk interference
avoiding sharp bends during installation
Which two statements describe the characteristics of fiber-optic cabling? (Choose two.)
Fiber-optic cabling does not conduct electricity.
Fiber-optic cabling has high signal loss.
Fiber-optic cabling is primarily used as backbone cabling.
Multimode fiber-optic cabling carries signals from multiple sending devices.
Fiber-optic cabling uses LEDs for single-mode cab?les and laser technology for multimode cables.
What is contained in the trailer of a data-link frame?
physical address
data
error detection
What is the auto-MDIX feature on a switch?
the automatic configuration of an interface for 10/100/1000 Mb/s operation
the automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection
the automatic configuration of full-duplex operation over a single Ethernet copper or optical cable
the ability to turn a switch interface on or off accordingly if an active connection is detected
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 PC0 and PC1 MAC addresses
just the PC0 MAC address
PC0, PC1, and PC2 MAC addresses
just the PC1 MAC address
just the PC2 MAC address?
How does a Layer 3 switch differ from a Layer 2 switch?
A Layer 3 switch supports VLANs, but a Layer 2 switch does not.
An IP address can be assigned to a physical port of a Layer 3 switch. However, this is not supported in Layer 2 switches.
A Layer 3 switch maintains an IP address table instead of a MAC address table.
A Layer 3 switch learns the MAC addresses that are associated with each of its ports. However, a Layer 2 switch does not.
What is the purpose of the routing process?
to encapsulate data that is used to communicate across a network
to select the paths that are used to direct traffic to destination networks
to convert a URL name into an IP address
to provide secure Internet file transfer
to forward traffic on the basis of MAC addresses
Which technology provides a solution to IPv4 address depletion by allowing multiple devices to share one public IP address?
SMB
HTTP
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 company to the Internet.
It is the IP address of the Router1 interface that connects the PC1 LAN to Router1.
It is the IP address of Switch1 that connects PC1 to other devices on the same LAN.
It is the IP address of the ISP network device located in the cloud.
Which of the following are primary functions of a router? (Choose two.)
packet switching
microsegmentation
domain name resolution
path selection
flow control
Which two statements correctly describe a router memory type and its contents? (Choose two.)
ROM is nonvolatile and stores the running IOS.
FLASH is nonvolatile and contains a limited portion of the IOS?.
RAM is volatile and stores the running configuration.
NVRAM is nonvolatile and stores a full version of the IOS.
ROM is nonvolatile and stores bootup information.
In which default order will a router search for startup configuration information?
NVRAM, RAM, TFTP
NVRAM, TFTP, setup mode
setup mode, NVRAM, TFTP
TFTP, ROM, NVRAM
flash, ROM, setup mode
What happens when part of an Internet VoIP transmission is not delivered to the destination?
A delivery failure message is sent to the source host.
The part of the VoIP transmission that was lost is re-sent.
The entire transmission is re-sent.
The transmission continues without the missing portion.
Which three IP addresses are private ? (Choose three.)
10.172.168.1
172.32.5.2
192.167.10.10
172.20.4.4
192.168.5.254
224.6.6.6
How many bits make up the single IPv6 hextet :10CD:?
4
8
16
32
What is the effect of configuring the ipv6 unicast-routing command on a router?
to assign the router to the all-nodes multicast group
to enable the router as an IPv6 router
to permit only unicast packets on the router
to prevent the router from joining the all-routers multicast group
Which group of IPv6 addresses cannot be allocated as a host source address?
FEC0::/10?
FDFF::/7?
FEBF::/10?
FF00::/8
What is the purpose of ICMP messages?
to inform routers about network topology changes
to ensure the delivery of an IP packet
to provide feedback of IP packet transmissions
to monitor the process of a domain name to IP address resolution
Refer to the exhibit. A technician has configured a user workstation with the IP address and default subnet masks that are shown. Although the user can access all local LAN resources, the user cannot access any Internet sites by using either FQDN or IP addresses. Based upon the exhibit, what could account for this failure?
The DNS server addresses are incorrect.
The default gateway address in incorrect.
The wrong subnet mask was assigned to the workstation.
The workstation is not in the same network as the DNS servers.
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