A frame enters a switch fails the Frame Check Sequence. Which two interface counters are incremented?
- Input erros
CRC
A router located between an OSPF routing domain and a non-OSPF routing network is called what? -
autonomous system boundary router (ASBR)
A__________ route is a route that ma...
CCNA 200-301 exam questions/review
A frame enters a switch fails the Frame Check Sequence. Which two interface counters are incremented?
- Input erros
CRC
A router located between an OSPF routing domain and a non-OSPF routing network is called what? -
autonomous system boundary router (ASBR)
A__________ route is a route that matches all packets. Commonly called quad zero route, uses 0.0.0.0
0.0.0.0 - default
AD of directly connected routing - 0
AD of External EIGRP - 170
AD of internal EIGRP - 90
AD of IS-IS? - 115
AD of OSPF - 110
AD of RIP - 120
AD of static route - 1
All OSPF routers within the same OSPF area must be config with the same _____________ on all routers
- area ID
,An ACL list of commands are processed in order, from _____ to _____ - first state to last
statement.
An API provides data to an administrator from a centralized controller. What network management
technique is being used? - Network Automation
A user configured OSPF and advertised the Gigabit Ethernet interface in OSPF. By default, which type of
OSPF network does this interface belong to? - broadcast
An LACP channel group on SwitchA is configured to operate in active mode.
Which mode could you configure the corresponding channel group on SwitchB to create a valid
EtherChannel config? - ACTIVE/PASSIVE
applied to the WLAN for wireless client communication - dynamic interface
Are unicast link local IPv6 addreses routable? - NO.
Used for neighbor discovery
Best practice in 802.11 when expanding an existing 802.11 wireless network? - Config each AP
with the same SSID and a unique, non overlapping channel
By default the maximum time that a Cisco switch will retain LLDP info before discarding it when it is
enabled on an interface is ______ - 120 seconds
By default, a cisco switch will send LLDP advertisements every ____ seconds when LLDP is enabled on an
interface - 30
Characteristic of Ansible? - -Agentless
-Uses YAML
-Uses SSH/NETCONF for remote device communication
-Uses a push model
-Has a 'playbook'
,-Written in PYTHON
Characteristic of Chef? - -Agent based
-Written in RUBY
-Uses a Pull model
-Has a 'recipe' and 'Cookbook'
-Use HTTP (REST)
-Not supported by a lot of Cisco devices
-uses TCP 10002 config for push jobs
Characteristic of distance vector? - -sends entire routing table
-slow convergence
-doesn't know network topology
-simpler to configure
-examples: RIP, IGRP
Characteristic of NETCONF? - uses XML and RPCs to config the network devices
Characteristic of OnePK? - cisco proprietary API
Characteristic of OpenFlow? - uses an imperative SDN model
detailed instructions are sent to the SDN controller when a new policy is to be configured.
Characteristic of OpFlex? - uses a declarative SDN model
instructions that are sent to the controller are not so detailed.
Characteristic of Puppet? - -Agent based
-Written in RUBY
, -Uses a pull model
-Has a 'manifest'-where config elements are stored
-Uses HTTP (REST) to communicate
-uses TCP 8140
Characteristics of CDP? - -60 second update frequency
-180 second hold timer (the top end timer is 255)
-enabled by default
-L2 protocol
-Cisco proprietary
-Can convey VTP information
Characteristics of DHCP Server - -assigns a default gateway to a client
-holds the TCP/IP settings to be distributed to the clients
-assigns IP addresses to enabled clients
Characteristics of DNS Server - -resolves web URLs to IP addresses
-stores a list of IP addresses mapped to names
Characteristics of Link state? - -sends only link state information
-fast convergence
-less susceptible to routing loops
-always uses multicast for the routing updates
-knows the entire network topology
-can be harder to configure
-examples: OSPF, IS-IS
Characteristics of LLDP? - -30 second update frequency
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