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60 Cards in this Set
- Front
- Back
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What is another common name for the workstation layer of the Cisco 3-tier classic model? |
Access layer |
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What is the most important aspect of the core layer of the Cisco 3-tier classic model? |
Speed |
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What is at least two examples of policies that you might implement at the distribution layer of the classic 3-tier Cisco model? |
Security, QoS, routing (route-maps) |
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Name at least two devices often found in an access layer of the classic 3-tier Cisco network. |
Layer 2 switch, access point, workstations, network interface cards |
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What is a very common type of Cisco device for the distribution layer or core layer? |
Multilayer switch |
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In a spine-leaf topology, how are the physical connections made between the devices? |
Each leaf device connects to every spine device. |
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How can you respond to a need for greater scale with the spine-leaf topology? |
Increase the number of devices in the spine. |
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What is a Cisco technology that uses the spine-leaf architecture? |
Cisco ACI |
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What overlay technology permits the creation of millions of virtual networks using a single physical underlay network? |
VXLAN |
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A fabric infrastructure is often divided into two major layers of abstraction. What is the name for the highly programmable portion of the fabric? |
The overlay |
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What are three examples of FHRPs? |
HSRP, VRRP, and GLBP |
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What does HA stand for in network design? |
High Availability |
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What is SSO when referring to the physical and logical architecture of a Cisco network device? |
Stateful switchover |
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Why might we not implement full redundancy in every possible system in a Cisco solution? |
Complexity, administrative overhead, or budget are all possible answers |
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What is HSRP?
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Hot Standby Router Protocol - a Cisco proprietary First Hop Redundancy Protocol
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What is GLBP?
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Gateway Load Balancing Protocol - a Cisco proprietary First Hop Redundancy Protocol that features automated load balancing
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What is VRRP?
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Virtual Router Redundancy Protocol - an open-standard version of HSRP
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What is FHRP?
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First Hop Redundancy Protocol - a method of using multiple default gateways to ensure high availability for clients to reach remote subnets
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What is SSO?
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Stateful Switch Over - this technology allows a Cisco network device to continue to forward packets even after a failure of a supervisor engine and a transition to the standby supervisor engine
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What is SD-Access?
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This Cisco solution provides software-defined networking functionality to the access layer of your Enterprise network
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What is SD-WAN?
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This Cisco solution brings software-defined networking capabilities to the Wide Area Network (WAN) of the Enterprise
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What is QoS?
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Quality of Service refers to the ability to prioritize certain forms of network traffic over other forms
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What is CEF?
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Cisco Express Forwarding is the new topology-based caching solution to speed up the routing and switching of traffic through Cisco network devices
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What is the MAC address table?
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The MAC address table is the high speed structure in a network switch that maintains the MAC address to port mappings for the correct frame forwarding
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What is the TCAM?
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The ternary content addressable memory table is a newer high-speed structure in the memory of new network switches; this permits the caching of more information than just MAC addresses
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What is the FIB?
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The forwarding information base - this is the cached route table information used in Cisco Express Forwarding
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What is the RIB?
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The routing information base - this is the source of the Forwarding Information Base data stored by Cisco Express Forwarding
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What is a Type 1 Hypervisor?
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"A type 1 hypervisor can run directly on the host system with no operating system required; these are often called ""bare metal"" hypervisors "
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What is a Type 2 Hypervisor?
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A type 2 hypervisor requires an operating system to host the virtualization software; VMware Workstation is an example of a Type 2 hypervisor
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What is a VRF?
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"A Virtual Routing and Forwarding table is a routing table associated with one or more interfaces on a network device; note this is separate and distinct from the ""global"" routing table"
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What is GRE?
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Generic Routing Encapsulation - this is the default tunneling technology for a Cisco network device
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What is IPsec?
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This is a suite of protocols for the secure transport of data using a Virtual Private Network (VPN)
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What is LISP?
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Locator/ID Separation Protocol is the technology used for the control plane of the SD-Access solution from Cisco Systems; this protocol allows systems to query a resolver for the location and IP address information of clients
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What is VXLAN?
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Virtual Extensible LAN uses a VLAN-like encapsulation technique to encapsulate OSI layer 2 Ethernet frames within layer 4 UDP datagrams; this is the data plane technology of the SD-Access solution from Cisco Systems
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What is 802.1Q?
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This is the open standard trunking protocol most used today in switched infrastructures; it permits the tagging of frames as belonging to a certain VLAN
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What are EtherChannels?
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This is the bundling of Ethernet ports together to form a redundanthigher bandwidth connection between network devices
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What is RSTP?
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Rapid Spanning Tree Protocol - this enhanced version STP reduces the amount of time for ports to converge to a forwarding state
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What is MST?
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Multiple Spanning Tree Protocol - this enhanced version of STP runs RSTP and permits you to create the exact number of spanning tree topologies that you require in your switched network
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What is RSSI?
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The Received Signal Strength Indicator is a measurement of how well your device can hear a signal from an access point or router
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What is SNR?
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Signal-to-Noise Ratio is a ratio based value that evaluates your signal based on the noise being seen; this is one of several measures you can use to help improve your wireless network
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What is DNA Center?
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The Cisco Digital Network Architecture Center is a single pane of glass solution for managing Cisco devices from their initial deployment to retirement
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What is TrustSec?
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This Cisco security technology permits the tagging of traffic for security purposes
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What is 802.1X?
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This security technology permits a network device to act as an authenticator for the network securely passing credentials to an authentication server
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What is EEM?
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The Embedded Event Manager is technology inside a Cisco device that permits the device to respond to various events with preprogrammed actions such as sending an email or raising a syslog message
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What is the default STP port priority value, and is higher or lower preferred? |
128, lower |
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What is the identifier for the internal instance in MST? |
0 |
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What is the main difference between VTP Transparent mode versus Off mode? |
The Off mode does not permit VTP messages to be forwarded by the device |
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Where do you need to make a VTP pruning configuration in a VTP domain? |
On one of the VTP mode servers |
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What access list-like technology is targeted at the Management Plane in a modern Cisco device? |
Control Plane Policing (CoPP) |
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What is the client called in an 802.1X topology? |
Supplicant |
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What is the term for the ISE in an 802.1X topology? |
Authentication Server |
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What is the most popular example of a Type 1 Hypervisor? |
ESXi |
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Where do you install a Type 2 hypervisor? |
In an OS |
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What virtual device does a virtual NIC connect to typically? |
Virtual Switch |
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What is the programming language used to create Ansible? |
Python |
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What is the programming language used to create Chef? |
Ruby |
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What symbol do you use to indicate an array in JSON? |
[ array entry ] |
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What is a type of debug that is tied to something like an interface or an ACL? |
Conditional debug |
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What would be your target when doing a TCP Connect IP SLA test? |
RTR Responder |
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What network assurance solution uses RESTful APIs with the YANG model to configure a device? |
RESTCONF |
