1. A routing protocol’s reliability and priority are rated by what measurement?  AD
2. A virtual host containing 5 virtual servers represents a single point of failure. How can virtual services like email, file web and database servers be best managed?  Both of these
3. An IPv4 address is presented in the dotted quad format consisting of four decimal values separated by dots. What is the highest decimal value assignable to one of the quads?  255
4. Analyze which of the following is true about a default VLAN.  Ports in default VLAN can be reassigned to other VLANs.
5. As a network administrator, a client has approached you to set up the network for MKV, a software company. The company requires sufficient amounts of data for both uploading and downloading purposes; however, it prefers a connection that has better download speed. Which of the following DSL varieties do you think is best suited for such a requirement?  VDSL
6. At which layer in Software Defined Network (SDN) will you find a firewall?  Application Layer
7. Beevan works as a network analyzer for an ISP. The network manager has asked him to use a protocol for the routers that can scan beyond the home territory and can instruct a group of routers to prefer one route over other available routes. Analyze which of the following should be used in this scenario.  BGP
8. Glenn, who is working as a network engineer, has been instructed to automate many tasks to work together in a complex and lengthy workflow. What is the term for this process?  Orchestration
9. Globcom is a call center operating in California. It has hired you as a network administrator to set up a voice VLAN to ensure the quality of voice transmissions. Which of the following will not be of immediate priority while setting up the VLAN connection?  Untagged frames
10. How many bits of a class A IP address are used for host information?  24 bits
11. How many ports does your switch have? In the space provided, enter only the numeric value.  28
12. How many tiers are there in the spine and leaf network architecture?  2
13. How many VLANs are currently configured on the switch? In the space provided, enter only the numeric value. 10
14. How would the decimal number 4 be represented as a binary value? Enter your answer in the space provided.  100
15. In order to achieve the utmost fault tolerance, as a network administrator, you want to ensure that critical devices are all equipped with redundant NICs, routers, and processors, which are able to immediately assume the duties of an identical component in case one of the components fails. Which of the following will help you ensure these devices contain the necessary components you require?  Automatic failover
16. In the project you clicked the CLI tab to access the switch. What mode was the switch in when you accessed it?   Privileged EXEC wrong
17. In the space provided, enter the Download speed reported by the desktop app. Enter only the numeric value.    300.84
18. In the space provided, enter the Download speed reported by the online bandwidth tester. Enter only the numeric value.  306
19. In the space provided, enter the Upload speed reported by the desktop app. Enter only the numeric value.  17.28
20. In the space provided, enter the Upload speed reported by the online bandwidth tester. Enter only the numeric value.   12
21. In which of the following modes will a vNIC access a physical network using the host machine’s NIC?  Bridged mode
22. In which type of cloud configuration is the customer responsible for maintaining the operating system and software?  Infrastructure as a Service (IaaS)
23. Lewis has been hired as an assistant to the head network administrator. He needs to understand the basic functioning of certain STP (Spanning Tree Protocol) features that will block BPDUs (Bridge Protocol Data Units) on any port serving network hosts. Which of the following will he use for such purposes?  A BPDU guard
24. Merging physical and virtual network architecture is known by what acronym?  NFV
25. The organization where you are currently working as a network administrator has a class A network address 10.0.0.0 with 40 subnets. You want to add another 60 new subnets to the network. You would like to still allow for the largest possible number of host IDs per subnet. Which of the following subnet masks will you choose in this scenario?  255.254.0.0
26. The traffic that enters into a network is known as the ___________ traffic.  Southbound
27. To ensure the high availability of a resource, what needs to be configured?  Network Load Balancing
    Multipathing
    NIC Teaming
28. What do well-chosen subnets accomplish?  2^h
    256 – the interesting octet
29. What does an L3 device use to make decisions on where to forward a packet?  Routing table
30. What information does the switchport port-security command use to restrict access to a switch’s interface?  MAC address
31. What is the advantage of elasticity when utilizing a cloud service provider? [Choose all that apply]   Resource allocation is scaled automatically
    
    Resources are deallocated when not used
32. What is the difference between distance vector and link state routing protocol?    Distance vector routing protocol exchanges the whole routing table, while link state routing protocol exchanges information about all connected networks
33. What is the formula for determining the number of possible hosts on a network?  (2^h)-2=Z
34. What is the functionality of multipathing? [Choose all that apply]  Ensure a resource is highly available
    
    Create different network routes to a resource on the network
35. What is the key drawback of STP or per VLAN STP – PVST?  Slow convergence
36. What is the lowest layer of the OSI model at which LANs and WANs support the same protocols?  Layer 3
37. What is the name of the switching feature that prevents frame dropping in case of congestion by pausing sending frames?     Flow control
38. What is the standard MTU size for Ethernet II PDUs without fragmentation?  1500
39. What is your switch’s current firmware version? Enter you answer in the space provided.  1.0.1.4
40. What kind of device can monitor a connection at the demarc but cannot interpret data?  Smartjack
41. What kind of route is created when a network administrator configures a router to use a specific path between nodes?  Static route
42. What method does a GSM network use to separate data on a channel?  TDMA
43. What needs to be done with a newly added network adapter to be able to configure NIC teaming?  Configure the adapter with a static IP address in the correct range
44. What software allows you to define VMs and manage resource allocation and sharing among VMs on a host computer?  Hypervisor
45. What specifications define the standards for cable broadband?  DOCSIS
46. What virtual, logically defined device operates primarily at the data link layer to pass frames between nodes?  Virtual Switch
47. What was the MTU size that required fragmentation in this project?  1473
48. When a router can’t determine a path to a message’s destination, where does it send the message?  Gateway of last resort
49. When choosing the location to create resources in the cloud, what is the best location for the resources? [Choose all that apply]  Geographically closest Cloud Service Provider Datacenter
    
    Closest Regional Cloud Service Provider Datacenter
50. When configuring a vNIC to access a physical network using the host machine’s NIC, which choice is used?  Bridged mode
51. When configuring a vNIC to obtain IP addressing from its host, which choice is used?  NAT mode
52. When configuring a vNIC which choice is used to allow VMs on the same host to communicate but NOT with other network nodes?  Host-Only mode
53. When is dynamic routing protocol preferred over static routes?  Dynamic routing protocols are better in large environments where there are many networks and devices
54. When shopping for a new router, what does the MTBF tell you?  How long devices like this one will last on average until the next failure
55. Which assignment technique requires a RADIUS server?  Dynamic VLAN assignment
56. Which choice is a good reason to segment a network?  All of these
57. Which cloud characteristic allows a provider to limit or charge by the amount of bandwidth, processing power, storage space, or client connections available to customers  Measured service
58. Which cloud management technique executes a series of tasks in a workflow?  Orchestration
59. Which cloud service model gives software developers access to multiple platforms for testing code?  PaaS (Platform as a Service)
60. Which command enables a port on a switch?  no shutdown
61. Which command places the switch in global configuration mode?  configure terminal
62. Which command places the switch in privileged EXEC mode?  Enable
63. Which device can manage traffic to multiple servers in a cluster so all servers equally share the traffic?  Load balancer
64. Which DNS record needs to be configured for a network load balancing cluster?   An A record
65. Which hexadecimal block in an IPv6 address is used for the Subnet ID?  The fourth one
66. Which IEEE standard determines how VLANs work on a network?  802.1Q
67. Which IP address will be used to connect a resource after Network Load balancing has been configured?  The Cluster’s IP address
68. Which of the following features of a network connection between a switch and server is not improved by link aggregation?  Speed
69. Which of the following is a more intelligent version of an NIU (network interface unit)?  Smartjack
70. Which of the following is an example of Software as a Service (SaaS)? [Choose all that apply]  Dropbox
    Microsoft 365
71. Which of the following is not a good reason to segment a network?  To increase the number of networking devices on a network
72. Which of the following routes will have an Administrative distance of 90 in a routing table?  EIGRP routes
73. Which of the following traverses a significant distance and usually supports very high data throughput?  WAN
74. Which of these cellular technologies offers the fastest speeds?  LTE-A
75. Which one is the default VLAN? In the space provided, enter only the numeric value.  1
76. Which OSI layer is responsible for directing data from one LAN to another?  Network layer
77. Which port mode on a switch enables that port to manage traffic for multiple VLANs?  Trunk
78. Which routing protocol does an edge router use to collect data to build its routing tables for paths across the Internet?  BGP
79. Which storage area network (SAN) connection type uses an Ethernet switch to send commands to the SAN devices?  Internet Small Computer Systems Interface (iSCSI)
80.   Which switch interface did you configure?  FastEthernet0/0 wrong
81. Which tier in the three-tiered network is responsible for routing traffic in and out of a network?  Core
82. Which type of switch connects all devices in a rack to the rest of the network?  ToR switch
83. With a _________ Cloud, the hardware and software are maintained by the company that owns it.  Private
84. With which network connection type does the VM obtain IP addressing information from its host?   NAT mode
85. You are working on an IPv6 address 2608:FE10:1:AA:002:50FF:FE2B:E708. You want to create subnets within this IP address. Which of the following will you choose to alter when creating subnets for this address  AA
86. You as a network engineer want to create a subnet that supports 16 hosts. Which of the following subnet masks will you use in this scenario?  255.255.255.224
87. You have a high speed environment in your network with speeds of up to 40 Gbps. Users in the network are experiencing slow performance issues on some applications. What do you need to enable on your equipment to improve the performance?  Jumbo frames
88. You need to configure a voice VLAN on your Cisco switch with the VLAN ID 10. Which of the following command will you use on the global configuration mode?  configure terminal
    vlan 10
    name VOICE
89. You want to improve the security in your network and enable MAC address filtering. Which of the following feature will you configure on the switch ports?  Port security
90. You, as a network engineer, have recently established a network connection for three separate department buildings in a university. One of the departments has complained that the signal strength it receives is not the same as the signal strength the other two buildings receive. Which of the following will you use in this scenario?  Line drivers
91. Your device has a route to the 0.0.0.0/0 network in a routing table. What route is it, and when will it be used?  0.0.0.0/0 is a default route. The router uses it to route packets if it doesn’t have a more specific route to the destination

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