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640-875 by Cisco - Page 1 | ExamCademy

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If a severity 1 problem is unresolved in four hours, the problem is escalated to which person?

A the TAC director
B the TAC manager
C the TAC duty manager
D the Vice President of Technical Services

Which are the two benefits of the star network topology over the bus network topology? (Choose two.)

A Disruption of the entire network is not required when adding new machines.
B Any problem which leaves the network inoperable can be traced to the central hub.
C This network type requires less cable as compared to linear bus topology.
D The performance of one of the numerous nodes cannot reflect on the performance of other nodes.
E The performance of the entire network is directly dependent on the performance of the hub.

The PE and CE interfaces are in the UP/UP state. The junior Network Engineer has validated Layer 3 functionality by pinging the adjacent interface, however the customer is unable to access the provider network. What should be your next troubleshooting step?

A Validate that the encapsulation method is utilizing Point-to-Point Protocol
B Validate that the destination customer network is in the correct VRF
C Validate that the circuit clocking is inaccurate and needs to be synchronized on both sides
D Check the physical connection between both devices to ensure stability
E Identify incorrect RADIUS configuration is present on the PE device
F Check that an access-list is mis-configured on the loopback 0 interface and needs to be corrected

What are two differences between WAN and LAN? (Choose two.)

A The customer has explicit control of their own WAN.
B The customer can modify the service provider route distinguishers.
C The customer has explicit control of their LAN.
D The customer is aware of the infrastructure within the WAN.
E WANs will differ from LANs with attributes such as latency and distance.

Which of the following correctly pairs the dotted decimal subnet mask with the correct number of binary bits that represent the subnet mask?

A 255.255.255.192 and /25
B 255.255.255.248 and /28
C 255.255.255.224 and /26
D 255.255.255.248 and /27
E 255.255.255.240 and /28
F 255.255.255.240 and /16

What are two benefits of a star network topology? (Choose two.)

A Disruption of the entire network is not required when adding new machines.
B Any problem which leaves the network inoperable can be traced to the central hub.
C This network type requires less cable as compared to linear bus topology.
D The performance of one of the numerous nodes cannot reflect on the performance of other nodes.
E The performance of the entire network is directly dependent on the performance of the hub.

You are having problems browsing to http://www.cisco.com from your laptop that is running Windows. Your laptop is connected directly to a default gateway, which is a Cisco ISR G2 router. Which four options are the basic troubleshooting steps that you should use to troubleshoot this issue? (Choose four.)

A Issue the ipconfig command from the Windows command line on your laptop to determine your laptop IP address and the default gateway IP address.
B Issue the ipconfig /all command from the Windows command line on your laptop to determine the DNS server IP address.
C Issue the ping {default gateway IP address} command from the Windows command line on your laptop to verify connectivity to the default gateway.
D Issue the ping {DNS server IP address} command from the Windows command line on your laptop to verify connectivity to the DNS server.
E Issue the ping tcp www.cisco.com 80 command from the Windows command line on your laptop to verify TCP port 80 connectivity to the www.cisco.com server.
F From the ISR G2 CLI, issue the ping tcp www.cisco.com 80 command to verify TCP port 80 connectivity to the www.cisco.com server.

DRAG DROP -
Drag the network device functions or features from the left and drop them on the correct network devices on the right.
Select and Place:

Question Image

DRAG DROP -
Drag the routers from the left and drop them on the layer that they belong to on the right. Not all options on the left are used.
Select and Place:

DRAG DROP -
Drag the network characteristics from the left and drop them on the correct network type on the right.
Select and Place:

Question Image

Which statement about IPv6 global unicast addresses is true?

A The first 3 bits is 001.
B The first 4 bits is 0011.
C The first 4 bits is 1111.
D The first 16 bits is FE80 in hex.
E The first 16 bits is FF00 in hex.
F The first 16 bits is 2002 in hex.

DRAG DROP -
Drag the Cisco IOS XR CLI command from the left and drop it on the most appropriate OSI layer(s) on the right that can be used to verify the operations at that
OSI layer.
Select and Place:

Given the IP address 10.106.170.145 255.248.0.0, which three options are the subnet that this IP address belongs to, the host IP address range on this subnet, and the subnet broadcast IP address?

A subnet = 10.104.0.0/13
B subnet = 10.106.0.0/13
C subnet = 10.112.0.0/13
D host IP address range = 10.104.0.1 to 10.111.255.254
E host IP address range = 10.106.0.1 to 10.106.255.254
F host IP address range = 10.106.0.1 to 10.119.255.254

Given the IP address of 209.168.200.155/27, which two options are the subnet that this IP address belongs to and the subnet broadcast IP address? (Choose two.)

A 209.168.200.64 255.255.255.224
B 209.168.200.96 255.255.255.224
C 209.168.200.128 255.255.255.224
D 209.168.200.95
E 209.168.200.127
F 209.168.200.159

DRAG DROP -
Drag the concepts from the left and drop them on the correct descriptions on the right.
Select and Place:

Which is a valid IPv6 Link Local address?

A FF00::1
B 224.0.0.5::1
C FE80::1
D FE70::1
E 169.254.0.0/16

DRAG DROP -
Drag the methods from the left and drop them on the best descriptions on the right.
Select and Place:

DRAG DROP -
Drag the IPv4 leading address bits on the left and drop them on the correct type of IPv4 addresses on the right. Not all options on the left are used.
Select and Place:

Question Image

What is the size difference in bits between an IPv4 address and an IPv6 address?

A 128
B 100
C 98
D 96
E 32

Given the subnet of 209.165.201.0/27, which subnet range will make the most efficient use of the address block for connecting to customer edge devices?

A 209.165.201.1/32
B 209.165.201.1/31
C 209.165.201.1/30
D 209.165.201.1/29
E 209.165.201.1/24

DRAG DROP -
Drag the IPv6 address type from the left and drop it on the matching description on the right. Not all IPv6 address types are used.
Select and Place:

Question Image

Given a ring topology, which loop prevention mechanism provides the fastest reconvergence time after a link failure?

A Rapid Per-VLAN Spanning Tree Protocol
B Resilient Ethernet Protocol
C Multiple Spanning Tree Protocol
D Spanning Tree Protocol

Refer to the exhibit.

Question Image

Given the Class C IP network of 192.168.1.0, using VLSM, which five subnets meet the requirements in the exhibit? (Choose five.)

A 192.168.1.0/27
B 192.168.1.32/27
C 192.168.1.48/27
D 192.168.1.48/28
E 192.168.1.64/28
F 192.168.1.80/28

Which three of the following components must be elected before the Spanning Tree Protocol can converge in a switched LAN? (Choose three.)

A Designated ports
B Alternate ports
C Converged ports
D Root bridge
E Root ports
F Backup ports

Which three statements about the ARP function are true? (Choose three.)

A ARP is used to determine an IP address.
B An ARP request is broadcast at Layer 3.
C An ARP response is broadcast at Layer 2.
D ARP tables are maintained on Layer 3 devices.
E The destination MAC address of an ARP request is that of the ARP responder.
F ARP requests are broadcast at Layer 2.

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