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Topic 1: Exam Pool A
In a wireless Cisco SD-Access deployment, which roaming method is used when a user moves from one access point to another on a different access switch using a single WLC?
A.
Layer 3
B.
inter-xTR
C.
auto anchor
D.
fast roam
inter-xTR
Explanation: A fabric edge node provides onboarding and mobility services for wired users and devices (including fabric-enabled WLCs and APs) connected to the fabric. It is a LISP tunnel router (xTR) that also provides the anycast gateway, endpoint authentication, and assignment to overlay host pools (static or DHCP), as well as group-based policy enforcement (for traffic to fabric endpoints).
From Cisco's guide, under SDA roaming - When a client on a fabric enabled WLAN, roams from an access point to another access point on a different access-switch, it is called InterxTR, like a highway. Intra is within intra is between. Like interstate highways.
That's how I remember. https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/configguide/b_wl_16_10_cg/mobility.html
Which JSON syntax is valid?
A.
Option A
B.
Option B
C.
Option C
D.
Option D
Option C
Explanation: This JSON can be written as follows:
{
'switch': {
'name': 'dist1',
'interfaces': ['gig1', 'gig2', 'gig3']
}
}
Refer to the exhibit.
An engineer is troubleshooting a connectivity issue and executes a traceoute. What does the result confirm?
A.
The destination server reported it is too busy
B.
The protocol is unreachable
C.
The destination port is unreachable
D.
The probe timed out
The probe timed out
Explanation:
In Cisco routers, the codes for a traceroute command reply are:
! — success* — time outN — network unreachableH — host unreachableP — protocol unreachableA — admin deniedQ — source quench received (congestion)? — unknown (any other ICMP message)In Cisco routers, the codes for a traceroute command reply are:
! — success* — time outN — network unreachableH — host unreachableP — protocol unreachableA — admin deniedQ — source quench received (congestion)? — unknown (any other ICMP message)
In cisco SD_WAN, which protocol is used to measure link quality?
A.
OMP
B.
BFD
C.
RSVP
D.
IPsec
BFD
Explanation: The BFD (Bidirectional Forwarding Detection) is a protocol that detects link failures as part of the Cisco SD-WAN (Viptela) high availability solution, is enabled by default on all vEdge routers, and you cannot disable it.
Which two mechanisms are available to secure NTP? (Choose two.)
A.
IP prefix list-based
B.
IPsec
C.
TACACS-based authentication
D.
IP access list-based
E.
Encrypted authentication
IP access list-based
Encrypted authentication
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