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Which Kubernetes object is used to grant permissions to a cluster-wide resource?
Suggested Answer: B
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In Kubernetes RBAC, ClusterRoleBinding is the mechanism for granting permissions to resources that are not namespace-scoped. The documentation integrated into VCF 9.0 explains: ''ClusterRoleBinding binds a user, group, or service account to a ClusterRole, granting cluster-wide permissions to non-namespaced resources such as nodes, storage classes, or persistent volumes.''
A RoleBinding grants access to namespace-scoped resources. RoleReference is a field within a RoleBinding/ClusterRoleBinding object, not a standalone object. ClusterRoleAccess is not a valid Kubernetes construct.
Thus, to assign permissions at a cluster-wide level, the correct object is ClusterRoleBinding.
30 comments · newest first
KE
Keshia
6 months ago
I feel confident about B too. It’s clear in the docs.
TE
Tesha
6 months ago
Definitely B. It’s essential for managing permissions.
KA
Karan
7 months ago
RoleBinding is for namespace level, not cluster-wide.
LA
Lawrence
7 months ago
I'm not so sure. What about A) RoleBinding?
ME
Melinda
7 months ago
Agreed! ClusterRoleBinding is the right choice.
ED
Eden
7 months ago
I think it's B) ClusterRoleBinding. It grants permissions cluster-wide.
BE
Bernadine
7 months ago
Pretty sure it's not C) RoleReference.
AI
Aide
8 months ago
Wait, is there really a thing called ClusterRoleAccess?
LA
Larue
8 months ago
I thought it was A) RoleBinding at first.
EL
Elliot
8 months ago
I'm just here for the kubernetes puns. Anyone else feel like they're in a container?
RO
Rory
8 months ago
Hmm, I'm going with B. Gotta love those cluster-wide permissions!
GA
Gail
9 months ago
D) ClusterRoleAccess sounds like something I'd find in a sci-fi movie, not a Kubernetes exam.
CA
Carlee
9 months ago
I always get these Kubernetes objects mixed up. Time to brush up on my RBAC knowledge!
DE
Delmy
9 months ago
B) ClusterRoleBinding is the correct answer. It's used to grant permissions to a cluster-wide resource.
HO
Honey
9 months ago
I keep mixing up RoleBinding and ClusterRoleBinding; I hope I remember the difference when I choose!
ME
Merissa
9 months ago
I practiced a question similar to this, and I believe ClusterRoleBinding was the correct answer there too.
CH
Chantell
9 months ago
I'm not entirely sure, but I remember something about RoleBinding being more limited to namespaces.
CE
Ceola
10 months ago
The key here is that we're looking for an object that grants permissions to a cluster-wide resource. Based on that, I think ClusterRoleBinding is the way to go.
SH
Shasta
10 months ago
I'm a bit confused by the options here. I'll need to review my notes on Kubernetes access control to make sure I understand the distinctions between these objects.
KA
Kallie
10 months ago
I think it's ClusterRoleBinding because it grants permissions across the entire cluster, right?
OZ
Ozell
10 months ago
ClusterRoleBinding, that's the one that grants permissions to a cluster-wide resource, right? I'm pretty sure that's the correct answer.
MA
Marleen
11 months ago
Definitely B) ClusterRoleBinding!
CH
Chau
11 months ago
ClusterRoleBinding is the right choice, no doubt!
YA
Yaeko
11 months ago
Okay, I know I've seen something about cluster-wide resources and permissions before. Let me try to recall the details.
TE
Teri
11 months ago
Hmm, this seems like a tricky one. I'll need to think carefully about the differences between the Kubernetes objects mentioned.
KE
Kerry
6 months ago
Agreed! It’s all about those permissions.
DE
Dexter
6 months ago
Same here! But ClusterRoleBinding is definitely the right choice.
JA
Janessa
6 months ago
I always mix up RoleBinding and ClusterRoleBinding.
PA
Pamella
6 months ago
Yeah, that makes sense for cluster-wide access.
MA
Margart
10 months ago
I think it's B) ClusterRoleBinding.