Which statement best describes a WAN?

Connecting offices at different locations using the Internet can be economical for a business. What are two important business policy issues that should be addressed when using the Internet for this purpose? (Choose two.)

3. What is a disadvantage of a packet-switched network compared to a circuit-switched network?

A company is considering updating the campus WAN connection. Which two WAN options are examples of the private WAN architecture? (Choose two.)

Which statement describes a characteristic of dense wavelength division multiplexing (DWDM)?​

Which WAN technology can serve as the underlying network to carry multiple types of network traffic such as IP, ATM, Ethernet, and DSL?

Which two WAN technologies are more likely to be used by a business than by teleworkers or home users? (Choose two.)

The security policy in a company specifies that the staff in the sales department must use a VPN to connect to the corporate network to access the sales data when they travel to meet customers. What component is needed by the sales staff to establish a remote VPN connection?

A corporation is searching for an easy and low cost solution to provide teleworkers with a secure connection to headquarters. Which solution should be selected?

How many DS0 channels are bundled to produce a 1.544 Mbps T1 line?

Refer to the exhibit.

Which type of Layer 2 encapsulation used for connection D requires Cisco routers?

Which three statements are true about PPP? (Choose three.)

A network administrator is configuring a PPP link with the commands:

R1(config-if)# encapsulation ppp
R1(config-if)# ppp quality 70

What is the effect of these commands?

What function is provided by Multilink PPP?

 The graphic shows two boxes. The first box has the following output:R1(config)# show running-config
<output omitted>
username r2 password 0 Cisco
!
interface Serial0/0/0
ip address 209.165.200.225 255.255.255.252
encapsulation ppp
ppp authentication chapThe second box has this output:R2(config)# show running-config
<output omitted>
username r1 password 0 Cisco
!
interface Serial0/0/0
ip address 209.165.200.226 255.255.255.252
encapsulation ppp
ppp authentication chap
Refer to the exhibit.

A network administrator is configuring the PPP link between the routers R1 and R2. However, the link cannot be established. Based on the partial output of the show running-config command, what is the cause of the problem?

Refer to the exhibit.

A network administrator has configured routers RTA and RTB, but cannot ping from serial interface to serial interface. Which layer of the OSI model is the most likely cause of the problem?

What advantage does DSL have compared to cable technology?

Which broadband technology would be best for a user that needs remote access when traveling in mountains and at sea?

Which technology requires the use of PPPoE to provide PPP connections to customers?

Refer to the exhibit.

What is the network administrator verifying when issuing the show ip interface brief command on R1 in respect to the PPPoE connection to R2?

Which technology creates a mapping of public IP addresses for remote tunnel spokes in a DMVPN configuration?

What is the purpose of the generic routing encapsulation tunneling protocol?

Refer to the exhibit.

What is used to exchange routing information between routers within each AS?

Refer to the exhibit.

All routers are successfully running the BGP routing protocol. How many routers must use EBGP in order to share routing information across the autonomous systems?

Refer to the exhibit.

A named access list called chemistry_block has been written to prevent users on the Chemistry Network and public Internet from access to Records Server. All other users within the school should have access to this server. The list contains the following statements:

deny 172.16.102.0 0.0.0.255 172.16.104.252 0.0.0.0
permit 172.16.0.0 0.0.255.255 172.16.104.252 0.0.0.0

Which command sequence will place this list to meet these requirements?

Which IPv4 address range covers all IP addresses that match the ACL filter specified by 172.16.2.0 with wildcard mask 0.0.1.255?

What guideline is generally followed about the placement of extended access control lists?

 In the creation of an IPv6 ACL, what is the purpose of the implicit final command entries, permit icmp any any nd-na and permit icmp any any nd-ns?

A network administrator is testing IPv6 connectivity to a web server. The network administrator does not want any other host to connect to the web server except for the one test computer. Which type of IPv6 ACL could be used for this situation?

Refer to the exhibit.

The IPv6 access list LIMITED_ACCESS is applied on the S0/0/0 interface of R1 in the inbound direction. Which IPv6 packets from the ISP will be dropped by the ACL on R1?

What is a secure configuration option for remote access to a network device?

What protocol should be disabled to help mitigate VLAN attacks?

Which term describes the role of a Cisco switch in the 802.1X port-based access control?

What two protocols are supported on Cisco devices for AAA communications? (Choose two.)

In configuring SNMPv3, what is the purpose of creating an ACL?

 Refer to the exhibit.

What feature does an SNMP manager need in order to be able to set a parameter on switch ACSw1?

Which Cisco feature sends copies of frames entering one port to a different port on the same switch in order to perform traffic analysis?

What are two characteristics of video traffic? (Choose two.)

Which QoS mechanism allows delay-sensitive data, such as voice, to be sent first before packets in other queues are sent?

Refer to the exhibit. As traffic is forwarded out an egress interface with QoS treatment, which congestion avoidance technique is used?

Which type of QoS marking is applied to Ethernet frames?

What is the function of a QoS trust boundary?

A vibration sensor on an automated production line detects an unusual condition. The sensor communicates with a controller that automatically shuts down the line and activates an alarm. What type of communication does this scenario represent?

Which pillar of the Cisco IoT System allows data to be analyzed and managed at the location where it is generated?

Which Cloud computing service would be best for a new organization that cannot afford physical servers and networking equipment and must purchase network services on-demand?

A data center has recently updated a physical server to host multiple operating systems on a single CPU. The data center can now provide each customer with a separate web server without having to allocate an actual discrete server for each customer. What is the networking trend that is being implemented by the data center in this situation?

What is used to pre-populate the adjacency table on Cisco devices that use CEF to process packets? ​

Which component of the ACI architecture translates application policies into network programming?

Which two pieces of information should be included in a logical topology diagram of a network? (Choose two.)

Which network performance statistics should be measured in order to verify SLA compliance?

Which feature sends simulated data across the network and measures performance between multiple network locations?

 Which troubleshooting tool would a network administrator use to check the Layer 2 header of frames that are leaving a particular host?

Refer to the exhibit.

A network administrator is troubleshooting the OSPF network. The 10.10.0.0/16 network is not showing up in the routing table of Router1. What is the probable cause of this problem?

Refer to the exhibit.

A user turns on a PC after it is serviced and calls the help desk to report that the PC seems unable to reach the Internet. The technician asks the user to issue the arp –a and ipconfig commands. Based on the output, what are two possible causes of the problem? (Choose two.)